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SECURITY Stories

How to tame enterprise communications services

Published on: 2018-12-11

Communications capabilities are essential to the success of organizations everywhere. Voice, e-mail, text messaging, multimedia messaging, file sharing, streaming video, conferencing, collaboration, and more - you can't do business without them. But as traffic volumes and the number of ...

How to tame enterprise communications services

Published on: 2018-12-11

Communications capabilities are essential to the success of organizations everywhere. Voice, e-mail, text messaging, multimedia messaging, file sharing, streaming video, conferencing, collaboration, and more - you can't do business without them. But as traffic volumes and the number of ...

DanaBot Malware Adds Spam to its Menu

Published on: 2018-12-11

Malware authors adding to the capabilities of their malicious software is nothing new. But a recently discovered addition of spam-generation to a banking Trojan package demonstrates how criminals are adding email capabilities to increase ways to both distribute and monetize it.

'Highly Active' Seedworm Group Hits IT Services, Governments

Published on: 2018-12-10

Since September, the cyber espionage actors have targeted more than 130 victims in 30 organizations including NGOs, oil and gas, and telecom businesses. Cyber espionage group Seedworm has been on a tear recently, extending its targets to the telecom, IT services, and oil and gas industries.

Satan Ransomware Variant Exploits 10 Server-Side Flaws

Published on: 2018-12-10

A new version of ransomware that first surfaced about two years ago is garnering attention for its ability to spread via as many as ten different vulnerabilities in Windows and Linux server platforms. "Lucky," as the new malware is called, is a variant of Satan, a data encryption tool that first ...

New Google+ Breach Will Lead to Early Service Shutdown

Published on: 2018-12-10

A breach affecting more than 52 million users was patched, but not before leading to the company rethinking the future of the service. As vulnerabilities go, it was the best sort: found by internal testing before it led to a security breach.

'Dr. Shifro' Prescribes Fake Ransomware Cure

Published on: 2018-12-10

A Russian firm aims to capitalize on ransomware victims' desperation by offering to unlock files then passing money to attackers. A firm called Dr. Shifro promises to unlock encrypted files so targets can avoid paying their attackers a hefty sum.

Deutsche Telekom Launches 5G Network in Poland With Huawei Equipment

Published on: 2018-12-10

T-Mobile Poland claims to be the first off the 5G starting block in its domestic market, announcing the launch of what it described as the "first fully functional" 5G network in the Eastern European country with the support of Huawei Technologies.

VMware Rolls Out NSX Service Mesh Based on Istio

Published on: 2018-12-10

Continuing its full-steam-ahead push into containers, VMware today announced a beta program for its new NSX Service Mesh. It's based on Istio, and it extends VMware's NSX networking and security capabilities across Kubernetes clusters via the Container Network Interface. A service mesh is a ...

China issues spectrum for nationwide 5G trials

Published on: 2018-12-10

China's Ministry of Industry and Information Technology (MIIT) has issued nationwide 5G trial licenses to the country's three mobile operators. China Unicom said it has been approved to use the 3.5 GHz to 3.6 GHz frequency band for a nationwide 5G trial rollout until June 2020.

15 Top Companies for IT Job Postings

Published on: 2018-12-10

If you're looking for a job in IT, you might assume that you'll find the most open positions among the large technology companies in Silicon Valley. But that assumption would be wrong. Indeed.com recently analyzed its employment database and came up with a list of the companies that posted the ...

2019: Look for improvements to software-defined data-center networks

Published on: 2018-12-10

To help IT pros attain top performance for their software-defined data-center networks (SDDCN), we have identified 10 crucial technology areas to watch and evaluate during 2019. SDDCN performance requires advanced network software to provision, manage and secure high-speed traffic flows, and ...

How to Keep Your Staff Current on Emerging Network Technologies

Published on: 2018-12-07

Network technologies are advancing rapidly. Today's 4G is tomorrow's 5G and yesterday's PSTN network is today's IP environment. Keeping network team members apprised of current trends and preparing them for new workflows and responsibilities is now a priority for virtually all network managers.

Cloud Security Concerns: IT vs. LoB

Published on: 2018-12-07

The cloud is here. You may choose to use cloud-based applications with software as a service (SaaS). Alternately, you may choose your own applications resident in the cloud with platform as a service (PaaS). In either case, you will likely be concerned about the security of applications in the ...

Visibility plays critical role in a successful SD-WAN deployment

Published on: 2018-12-07

The rise of SD-WANs has been well documented by every analyst firm that covers network technology. I have the market growing from $1.0 billion in 2017 to over $9.5 billion in 2022, indicating the market is about to go through an accelerated phase of growth.

Managing a Chaotic Heterogeneous Network? You’re Not Alone

Published on: 2018-12-07

As organizations continue to grapple with the implications of digital transformation initiatives, IT professionals are increasingly tasked with implementing new technology from multiple vendors while maintaining legacy infrastructure. Long gone are the days where an IT team used one vendor ...

Top 5 predictions for optical networking in 2019

Published on: 2018-12-07

What can we look forward to next year in optical networking? With many new players entering the ecosystem, the debate looks likely to get hotter between technology lovers, people focusing on simplicity and operational aspects and proponents of machine intelligence. Several trends will greatly ...

Is an SD-WAN managed service right for you?

Published on: 2018-12-06

For enterprises considering an SD-WAN solution, one of the key choices will be who will implement and manage it. For some enterprises this is a relatively straightforward decision; for others the choice may require more deliberation.

Is an SD-WAN managed service right for you?

Published on: 2018-12-06

For enterprises considering an SD-WAN solution, one of the key choices will be who will implement and manage it. For some enterprises this is a relatively straightforward decision; for others the choice may require more deliberation.

Why it really doesn't matter if Apple is ‘late’ to 5G

Published on: 2018-12-03

Apple knows how networks work. Think how the company managed to become dominant in mobile technology off the back of iTunes and the iPod. It knows tastes change, and it knows how to surf that change. At its best, this is what the company does.

6 Design Principles of the Modern LAN

Published on: 2018-12-03

The Internet of Things (IoT) is changing everything with regard to the modern LAN, as Frost & Sullivan reported in an infographic. As the infographic shows, as enterprises embrace IoT, top challenges surface: 49% of enterprises consider security and privacy to be their highest concern 39% worry ...

How to buy SD-WAN technology: Key questions to consider when selecting a supplier

Published on: 2018-12-03

Software-defined WAN traffic is exploding, and so is the number of technology providers competing for enterprise SD-WAN customers. Here are some key issues to consider as IT pros investigate SD-WAN deployment options and weigh the importance of features such as application prioritization, ...

How to buy SD-WAN technology: Key questions to consider when selecting a supplier

Published on: 2018-12-03

Software-defined WAN traffic is exploding, and so is the number of technology providers competing for enterprise SD-WAN customers. Here are some key issues to consider as IT pros investigate SD-WAN deployment options and weigh the importance of features such as application prioritization, ...

Cisco Predicts More IP Traffic in the Next Five Years Than in the History of the Internet

Published on: 2018-11-27

Related Media Global Internet Growth and Trends by 2022 Virtual and Augmented Reality Traffic Growth by 2022 SAN JOSE, California - November 27, 2018 - The internet is made up of thousands of public and private networks around the world. And since it came to life in 1984, more than 4.7 ...

Cisco Reports First Quarter Earnings FY2019

Published on: 2018-11-14

Q1 Results: Revenue: $13.1 billionIncrease of 8% year over year Earnings per Share: GAAP: $0.77; Non-GAAP: $0.75Non-GAAP EPS increased 23% year over year Q2 FY 2019 Guidance (normalized to exclude SPVSS business): Revenue: 5% to 7% growth year over year Earnings per Share: GAAP: $0.56 to $0.61; ...

10 of the coolest and wackiest tech stories of 2018

Published on: 2018-11-30

It's not necessarily easy to pick the coolest and wackiest tech stories of the year, especially when you have so much to choose from. Rather than trying to be all- inclusive as we have done in the past, see ( here and here and here) we have tried to more "exclusive."

Dell EMC committed to networking, shares product and partnership plans

Published on: 2018-11-20

Dell EMC has one of the broadest networking portfolios in the industry. What's unique about Dell EMC's approach is that it's a mix of its own technology, as well as network partners. Also, it offers traditional hardware products and software-only products and supports white-box implementation.

Itential puts organizations on the path to the modern network

Published on: 2018-11-07

It's going to take a while to achieve intent-based modern networks, but tools such as Itential's Intelligent Network Automation solution can help you start the journey.

SD-WAN: The inside scoop from real-world deployments

Published on: 2018-10-30

Enterprise network pros share SD-WAN best practice and lessons learned.

How to secure your Azure network

Published on: 2018-10-16

Cloud services like Azure offer a lot of security features straight out of the box, especially if you're using their platform services. But virtual infrastructures are much like physical infrastructures, connecting virtual machines with software-defined virtual networks. Thus, they need the same ...

Network Architect Jobs Evolve

Published on: 2018-08-22

Network technology is evolving at breakneck speed, and a rapidly growing number of organizations are searching for network architects to help them add and upgrade services. The situation is complicated by the fact that many network architects who were on top of their game just a few years ago ...

Network Architect Jobs Evolve

Published on: 2018-08-22

Network technology is evolving at breakneck speed, and a rapidly growing number of organizations are searching for network architects to help them add and upgrade services. The situation is complicated by the fact that many network architects who were on top of their game just a few years ago ...

Microsoft 365 Business Brings an IT Team to Smaller Businesses

Published on: 2018-04-03

Microsoft wants to bring the resources you'd normally get from a dedicated IT team to a software solution. You've probably heard of Office 365 - the Microsoft cash cow that is the main productivity tool for millions of users. But the technical needs of businesses require more complex solutions ...

Review: 6 slick open source routers

Published on: 2018-02-01

Hackers of the world, unite! You have nothing to lose but the lousy stock firmware your routers shipped with. Apart from smartphones, routers and wireless base stations are undoubtedly the most widely hacked and user-modded consumer devices.

How to use blockchain: Following an asset through its lifecycle to learn more

Published on: 2017-05-15

This contributed piece has been edited and approved by Network World editorsPossession is nine-tenths of the law, right? But thanks to blockchain, this old adage may no longer be a viable way to settle property disputes.Artists and enterprises alike have long struggled to prove ownership of ...

How to Get the Most Value From Your Container Solutions?

Published on: 2018-12-10

Contributors: David Stanford There's been a fundamental shift in the technology industry over past 3-4 years with "applications and software-defined everything" dominating IT philosophy. The market continues to move towards a cloud native environment where developers and IT leads are looking for ...

Deploying Containers More Securely and at Scale with Multicloud Enabler Powered by Red Hat and Juniper Networks

Published on: 2018-12-10

Author: Bikash Koley, Chief Technical Officer, Juniper Networks Co-Author: Ashesh Badani, Vice President and General Manager, Cloud Platforms, Red Hat The move to hybrid and multicloud environments is more than an exercise in deploying technologies. A switch or a router, or an orchestration or ...

Integrating Warehouses and Distribution Centers into the Enterprise Network

Published on: 2018-12-10

Digital Transformation Contributors: Hari Srinivasan We're witnessing digital transformation all around us, and it's driving fierce competition, new challenges, and compelling opportunities in every industry. In our last blog, we talked about some of the ways business are using the Internet of ...

Deploying Containers Securely and at Scale with Multicloud Enabler Powered by Red Hat and Juniper Networks

Published on: 2018-12-10

Author: Bikash Koley, Chief Technical Officer, Juniper Networks Co-Author: Ashesh Badani, Vice President and General Manager, Cloud Platforms, Red Hat The move to hybrid and multicloud environments is more than an exercise in deploying technologies. A switch or a router, or an orchestration or ...

A Shared Commitment Towards Cloud Security: Expanding Our Partnership with Google Cloud

Published on: 2018-12-10

At Palo Alto Networks, we have always believed that more and more security services would be delivered from the cloud. It's also become clear that to prevent threats, machine learning and artificial intelligence need to become a bigger part of security.

in(Secure) messaging apps — How side-channel attacks can compromise privacy in WhatsApp, Telegram, and Signal

Published on: 2018-12-10

Threat Research Messaging applications have been around since the inception of the internet. But recently, due to the increased awareness around mass surveillance in some countries, more users are installing end-to-end encrypted apps dubbed "secure instant messaging applications." These apps ...

Security events foster next generation

Published on: 2018-12-10

Where did the last three months go? It only seems like yesterday that we were getting ready for the FIRST Technical Colloquia (FIRST TC) Noumea at APNIC 46. Having been involved in network and cybersecurity events and training almost every week since, I wanted to take this opportunity to reflect ...

Routers Getting Routered – Silver Peak SD-WAN

Published on: 2018-12-08

Silver Peak SD-WAN. Routers Getting Routered - One of the Silver Peak's Slogan for SD-WAN. First, let's have a look at the video below that the Slogan of "Routers Getting Routered" seems marketing, but actually it has a technical meaning behind it.

Cybersecurity Canon Candidate Book Review: Cyber-War: Anatomy of the Global Security Threat

Published on: 2018-12-07

We modeled the Cybersecurity Canon after the Baseball Hall of Fame and the Rock & Roll Hall of Fame, except it's a canon for cybersecurity books. We have more than 25 books on the initial candidate list, but we are soliciting help from the cybersecurity community to increase the number.

Channel Scoop: December 7, 2018

Published on: 2018-12-07

Sit back, relax and enjoy this week's Channel Scoop Don't Panic Unit 42 Podcast Returns. The first podcast of Season 3 was just released. In each episode, a big topic in cybersecurity is selected and simplified to help you understand why you don't need to panic. Become a follower. Read more.

DoH — it’s DNS Jim, but not as we know it!

Published on: 2018-12-07

Whenever I talk about DNS encryption, I get a lot of feedback from people saying they had no idea what's been going on in this area. And that's not surprising; there's a lot going on right now, and it's all happening way faster than usual.

Apstra’s Intent-Based Networking

Published on: 2018-12-06

This is one of several blogs about the vendor presentations during Network Field Day 19, which took place November 7-9, 2018. This blog contains a summary of the vendor presentations and any related comments or opinions I might have (I'll share at least some of them).

Why Upgrade to Cisco Catalyst 9800 Series Wireless Controllers?

Published on: 2018-12-06

What are the bright features of the new Cisco Catalyst 9800 Series Wireless Controllers? Read here. The Cisco Catalyst 9800 Series Wireless Controllers are feature rich and enterprise-ready to power your business-critical operations and transform end-customer experiences: High availability and ...

Network Discovery and Mapping

Published on: 2018-11-20

As networks are growing and getting more dynamic, mapping and documenting the devices that are connected to our network will be harder and much time consuming.

Silver Peak is Serious about SD-WAN

Published on: 2018-12-04

This is one of several blogs about the vendor presentations during Network Field Day 19, which took place November 7-9, 2018. This blog contains a summary of the vendor presentations and any related comments or opinions I might have (I'll share at least some of them).

Don’t Panic Podcast Returns with Season 3

Published on: 2018-12-03

Today we're releasing the first podcast in Season 3 of Don't Panic, the Unit 42 Podcast. You can expect seven more episodes over the next seven weeks. With this release we have a new, separate podcast stream for our listeners. If you've subscribed to our old stream on iTunes, please update your ...

BlueCat: DNS, DDI + Visibility and Workflow Automation

Published on: 2018-11-29

This is one of several blogs about the vendor presentations during Network Field Day 19, which took place November 7-9, 2018. This blog contains a summary of the vendor presentations and any related comments or opinions I might have (I'll share at least some of them).

Illumio: Micro-Segmentation via the Endpoint

Published on: 2018-11-27

This is one of several blogs about the vendor presentations during Network Field Day 19, which took place November 7-9, 2018. This blog contains a summary of the vendor presentations and (of course) my comments or opinions (I'll share at least some of them).

Riverbed Enhanced SD-WAN

Published on: 2018-11-20

This is one of several blogs about the vendor presentations during Network Field Day 19, which took place November 7-9, 2018. This blog contains a summary of the vendor presentation and any related comments or opinions I might have (I'll share at least some of them).

Automation Learning Charter

Published on: 2018-08-15

The world changes. The hit novel " Who moved my cheese? " written twenty years ago, has sold over 25 million copies to help with people experiencing change. For those who work with networking technology, we're experiencing seismic activity in the world of change and new continents are forming ...

Integrating vRealize Automation with Network Insight

Published on: 2018-11-08

In order to get a complete view of your network traffic flows between applications inside Network Insight, it should know things about your application stacks. This post will go into how to create an integration with vRealize Automation in order to get all new application stacks into Network ...

Troubleshoot a DMVPN phase 3 architecture

Published on: 2018-10-09

In the last article, I explained how to configure DMVPN phase3, but what are the most useful commands to troubleshoot this type of network architecture? Five are the main group of commands used to troubleshoot a DMVPN topology: The "show dmvpn" and "show ip nhrp" commands permit to obtain the ...

DMVPN Phase 3: a complete guide

Published on: 2018-07-16

In a previous article, I explained what is and how it works DMVPN technology. In this article you see how to configure DMVPN phase3. This phase allows spokes to build a spoke-to-spoke tunnel and to overcomes the phase2 restriction using NHRP traffic indication messages from the hub to signal to ...

Understanding Cisco DMVPN

Published on: 2018-06-26

In an old post, dated 2011, I explained various types of VPN technologies. In seven years several things have changed: SHA1 is deprecated, des and 3des are no more used for security issues, but some VPN technologies are still used with protocols more secure (SHA256, AES, ...).

Intro into Fortinet WLAN configuration

Published on: 2018-09-30

Simple, secure, sensible - Koroush Saraf, Fortiner VP of Product Management, emphasized these words in his recent MFD3 presentations. While any vendor can claim their products share these attributes, it's usually the complexity of workflow that reveals the betrayal of one or all of these ...

Attacking Wireshark

Published on: 2018-09-03

Every once in a while there is some news about Wireshark being vulnerable to being attacked/exploited/pwned, meaning that there is a way to craft frames/packets in a pcap/pcapng file to make Wireshark crash and (if done right) execute malicious code. So let's take a look at what that means and ...

Security: Mitigating Spectre on Older Intel CPUs

Published on: 2018-04-01

I suspect all of my readers are well aware of the Spectre exploit affecting, among others, Intel CPUs going back many years. Intel for their part, after a few missteps, have issued microcode updates for more recent CPUs. But for those of us with computers running older CPUs, the solutions are ...

PCAP Split and Merge

Published on: 2018-07-31

Sometimes it also happens during network troubleshooting engagements, but it is also common for analysis jobs regarding network forensics: dealing with huge number of packets, sometimes millions or more. Two typical situations may have you scratch your head: either you have one huge file ...

Introducing WPA3

Published on: 2018-02-13

Ruckus releases an article with more detail about the recently announced WPA3 from Wi-FI Alliance. One thing that is quite relieving when this new technology introduced is that "all devices supporting WPA3 will continue to work with WPA2 devices" as stated by the Wi-Fi Alliance.

GORUCK Custom Land Navigation Heavy AAR

Published on: 2018-06-20

GORUCK Custom Land Navigation Heavy AAR - Class 259Where to even start with this event? It has been in the works for a long time and the day finally arrived Saturday 6/16/18.  A bit of background on this event. First and foremost, it is a Heavy which means 24ish hours, lots of miles and hard ...

NANOG 73 Hackathon

Published on: 2017-11-29

Sunday, June 24, 2018 REGISTRATION FOR THE NANOG 73 HACKATHON IS OPEN Welcome to the NANOG 73 Hackathon brought to you by NANOG and host sponsor Do you love preventing disruption and chaos in your network? Always wondered what it would feel like to wear the “White Hat”? Want to show off your ...

Office 365: Exchange Hybrid issue with Windows Security of Outlook 2016

Published on: 2018-03-28

Outlook prompts for password when accessing migrated Exchange Online resource. The on-premise mailbox has been migrated to Exchange Online and the user opening the calendar to see free/busy and planned meetings is sitting on-premise Exchange server. Windows Security – Microsoft Outlook ...

ISE BYOD for CCNP Security Now Available!

Published on: 2017-11-10

We’re happy to announce another Pluralsight course has been released. In this course we touch on BYOD configurations for CCNP Security candidates. This completes the series for SISAS. You can find the course at Pluralsight.com. This also marks 20 courses in the Pluralsight library. More to come!  

ISE Profiler Services for CCNP Security (300-208) SISAS Published

Published on: 2017-07-03

Hi Everyone,   Happy to announce that ISE Profiler Services for CCNP Security (300-208) SISAS has published. Check it out over at Pluralsight.com. In this course we dig though profiling services and how to apply policy based on how devices are profiled. This course is for anyone working on the ...

ISE Posture Services for CCNP Security (300-208) SISAS Published

Published on: 2017-05-31

Happy to announce that ISE Posture Services for CCNP Security (300-208) SISAS has published. Check it out over at Pluralsight.com. In this course we dig though posture services and how to provision clients, posture clients, and apply policy. This course is for anyone working on the CCNP ...

New Pluralsight Course Published

Published on: 2017-04-18

Hi Everyone. I’m happy to announce that another Pluralsight course has been published. This one is specific to the SISAS certification and covers various aspects of Guest Access. In the course we cover how to setup WebAuth and then transition into Guest Access with a Sponsor Portal. You can ...

Taking the CCIE Lab in RTP

Published on: 2016-07-29

Cisco's campus in Research Triangle Park, North Carolina, is one of only two places in the United States where candidates can complete a CCIE lab exam (the other being in San Jose, California). People fly in from all over the eastern US and beyond to spend a day taking the exam. Lots of folks ...

WPA2 KRACK Vulnerability, Getting Information

Published on: 2017-10-16

*** This page is being updated regularly. Please check back periodically. ***I'm sure everyone who does anything with networking or Wi-Fi has heard about the announced WPA2 KRACK vulnerability. I won't go into depth with my opinion on it. I'd just like to start a collection of useful information ...

Cisco | Cisco IOS router to Meraki Appliance | site-to-site VPN with Zone based Firewalling

Published on: 2017-01-18

Lately I'm busy to configure Cisco IOS routers in combination with Remote offices where we place Meraki Appliances (like the MX64, MX65 or the Z1) When we do this we create also a VPN connection (site to site). In this setup the Main office has a Cisco IOS router.

SourceFire & AMP showing up on CCNP: Security

Published on: 2016-09-22

Looks like the SITCS Exam, that is part of the CCNP: Security exam is going from v1.0 to v1.5. SITCS is the exam oriented around 'Implementing Cisco Threat Control Soluation'. Now, it only makes sense as the original version of this exam was more geared towards Cisco IPS & CX which has since ...

Cisco ASA presents self-signed cert in certain SSL negotiations – CSCuu02848 / CSCuw02001

Published on: 2015-11-12

Just kind of a shout-out to those running ASA's, be careful when you upgrade to v9.4+ or v9.5+, and beyond. In v9.4+ when the ASA attempts to negotiate an SSL connection it will attempt to use an ECDSA Cipher as part of TLS v1.2 if the client supports Elliptic Curve ciphers.

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