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December 1, 2020

SECURITY

Introducing the New “Cisco Security Outcomes Study”

4 min read

Our latest Cisco 2021 Security Outcomes Study analyzes 25 security practices to determine which are most impactful for strengthening organizational defenses. Find out how you can up-level your security program in the new year.

November 30, 2020

SECURITY

Embedding Trust at the Core of Critical Infrastructure

4 min read

Embedding trust and resilience into critical infrastructure is a moving target. We must focus on the trustworthiness and integrity of the technology and processes that run these critical systems.

November 20, 2020

SECURITY

Threat Roundup for November 13 to November 20

1 min read

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between November 13 and November 20. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, this post will summarize the threats we’ve observed by highlighting key behavioral characteristics, indicators of compromise, and discussing how our customers are automatically […]

November 19, 2020

SECURITY

IT and OT Cybersecurity: United We Stand, Divided We Fall

3 min read

IT-OT collaboration is mandatory for securing industrial networks. But what’s in it for both teams? How can they build this partnership? What does converged IT/OT security operations actually mean?

November 19, 2020

SECURITY

ISE 3.0 Dynamic Visibility: Step into zero trust for the workplace

4 min read

Identity Service Engine (ISE) 3.0 brought us dynamic visibility — the first step to continual access and authorization based on least privilege. We can now build secure network access that keeps up with users and threats to gain zero trust within the workplace.

November 18, 2020

SECURITY

Back from vacation: Analyzing Emotet’s activity in 2020

1 min read

By Nick Biasini, Edmund Brumaghin, and Jaeson Schultz. Emotet is one of the most heavily distributed malware families today. Cisco Talos observes large quantities of Emotet emails being sent to individuals and organizations around the world on an almost daily basis. These emails are typically sent automatically by previously infected systems   attempting to infect […]

November 17, 2020

SECURITY

Nibiru ransomware variant decryptor

1 min read

Nikhil Hegde developed this tool. Weak encryption The Nibiru ransomware is a .NET-based malware family. It traverses directories in the local disks, encrypts files with Rijndael-256 and gives them a .Nibiru extension. Rijndael-256 is a secure encryption algorithm. However, Nibiru uses a hard-coded string “Nibiru” to compute the 32-byte key and 16-byte IV values. The […]

November 17, 2020

SECURITY

Does Protection Help As Much As We Think In Security?

5 min read

How do security programs prioritize their investment, resources, and effort? In the upcoming Security Outcomes Study, we used the NIST Cybersecurity Framework to understand this. Read more on this blog.

November 17, 2020

SECURITY

Zero Trust for Workloads: Knowledge is Key

2 min read

Security controls must be driven down to the application workload level to be effective. Learn a comprehensive zero trust method to accomplish that.

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