U.S. Sanctions Chinese Cybersecurity Firm Over Treasury Hack Tied to Silk Typhoon

The U.S. Treasury Department's Office of Foreign Assets Control OFAC has imposed sanctions against a Chinese cybersecurity company and a Shanghai-based cyber actor for their alleged links to the Salt Typhoon group and the recent compromise of the federal agency. "People's Republic of China-linked...

CISA, FBI, NSA, and International Partners Release Joint Advisory on 2023 Top Routinely Exploited Vulnerabilities

Today, the Cybersecurity and Infrastructure Security Agency CISA, the Federal Bureau of Investigation FBI, National Security Agency NSA, and international partners released joint Cybersecurity Advisory, 2023 Top Routinely Exploited Vulnerabilities. This advisory supplies details on the top Common...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-42917 Apple Multiple Products WebKit Memory Corruption Vulnerability CVE-2023-42916 Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability These types...

US dangles $10 million reward for information about Cl0p ransomware gang

The US Department of States national security rewards program, Rewards for Justice RFJ, is offering a reward of up to $10 million for information linking the Cl0p ransomware gang, or any other malicious cyber actors targeting US critical infrastructure, to a foreign government. Advisory from...

CISA and FBI Release ESXiArgs Ransomware Recovery Guidance

Today, CISA and the Federal Bureau of Investigation FBI released a joint Cybersecurity Advisory, ESXiArgs Ransomware Virtual Machine Recovery Guidance. This advisory describes the ongoing ransomware campaign known as “ESXiArgs.” Malicious cyber actors may be exploiting known vulnerabilities in...

CISA and NSA Publish Joint Cybersecurity Advisory on Control System Defense

CISA and the National Security Agency NSA have published a joint cybersecurity advisory about control system defense for operational technology OT and industrial control systems ICSs. Control System Defense: Know the Opponent is intended to provide critical infrastructure owners and operators wit...

Virtual Currency Platform ‘Tornado Cash’ Accused of Aiding APTs

The U.S. government has slapped sanctions on virtual currency mixer Tornado Cash for laundering more than $7 billion in crypto cash derived from cybercriminal activity. At least $455 million of that was moved for state-sponsored Lazarus Group in part to help fund North Korea’s missile program,...

U.S. Cybersecurity Agency Lists 2021's Top 15 Most Exploited Software Vulnerabilities

Log4Shell, ProxyShell, ProxyLogon, ZeroLogon, and flaws in Zoho ManageEngine AD SelfService Plus, Atlassian Confluence, and VMware vSphere Client emerged as some of the top exploited security vulnerabilities in 2021. That's according to a "Top Routinely Exploited Vulnerabilities" report released ...

Canadian Ransomware Arrest Is a Meaningful Flex, Experts Say

Investigations that ran in parallel over nearly two years by Canadian and U.S. law enforcement have led to this week’s arrest of an Ottawa man, who is alleged to have an extensive track record of ransomware attacks on companies, governments and individuals. The highly-publicized arrest is a messa...

APT Actors Exploiting Newly Identified Vulnerability in ManageEngine ADSelfService Plus

Summary This Joint Cybersecurity Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® framework, Version 8. See the ATT&CK for Enterprise for referenced threat actor tactics and for techniques. This joint advisory is the result of analytic efforts between the...

Ransomware Activity Targeting the Healthcare and Public Health Sector

Summary This advisory was updated to include information on Conti, TrickBot, and BazarLoader, including new IOCs and Yara Rules for detection. This advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® version 7 framework. See the ATT&CK for Enterprise version 7 f...