Microsoft open sources CodeQL queries used to hunt for Solorigate activity

A key aspect of the Solorigate attack is the supply chain compromise that allowed the attacker to modify binaries in SolarWinds’ Orion product. These modified binaries were distributed via previously legitimate update channels and allowed the attacker to remotely perform malicious activities, suc...

North Korea ATM Hack

The US Cybersecurity and Infrastructure Security Agency CISA published a long and technical alert describing a North Korea hacking scheme against ATMs in a bunch of countries worldwide: This joint advisory is the result of analytic efforts among the Cybersecurity and Infrastructure Security Agenc...

Threat Roundup for July 10 to July 17

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between July 10 and July 17. 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...

Cisco Releases Security Advisory for Telnet Vulnerability in IOS XE Software

Cisco has released a security advisory on a Telnet vulnerability—CVE-2020-10188—affecting Cisco IOS XE devices. A remote attacker could exploit this vulnerability to take control of an affected system. The advisory contains workarounds as well as indicators of compromise. The Cybersecurity and...

Threat Roundup for March 13 to March 20

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 13 and March 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...

Threat Roundup for March 6 to March 13

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 6 and March 13. 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 characteristic...

Threat Roundup for Jan. 25 to Feb. 1

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Jan. 25 and Feb. 01. 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...

Vulnerability Management vendors and massive Malware attacks (following the Bad Rabbit)

After the latest Bad Rabbit ransomware attack all Top VM vendors Qualys, Tenable, Rapid7 wrote blog posts on this topic on the same day. Two days later Tripwire also published own review. Why do they care? They do not make antiviruses, endpoint protection or firewalls - the common tools against...

Hijacked Environment Variables

Overview The tkinter package is a piece of malware that steals environment variables and sends them to attacker controlled locations. All versions have been unpublished from the npm registry. Recommendation As this package is malware, if you find it installed in your environment, the real securit...

What is Threat Intelligence and How It Helps to Identify Security Threats

Simply put, threat intelligence is knowledge that helps you identify security threats and make informed decisions. Threat intelligence can help you solve the following problems: How do I keep up to date on the overwhelming amount of information on security threats…including bad actors, methods,...

Operation Cleaver Critical Infrastructure Hacking Attacks

Iranian state-sponsored hackers have been singled out for attacks on critical infrastructure worldwide, including 10 targets in the United States. Security firm Cylance today released an 86-page report on Operation Cleaver that lays out Iran’s hacking capabilities and motivations to attack global...