Update, March 13: Talos on the developing situation in the Middle East

Update history Date | Description of updates ---|--- March 13, 2026 | Talos' assessment of the cyber attack on Stryker and the elevated threat landscape. Key findings and background on Handala, the Iranian-linked threat group. March 10, 2026 | Updated guidance and recommendations, IOCs, and...

Avoid Scams After Disaster Strikes

As natural disasters occur, CISA urges individuals to remain on alert for potential malicious cyber activity. Fraudulent emails and social media messages—often containing malicious links or attachments—are common after major natural disasters. Exercise caution in handling emails with...

Surges in Cyber Activity Accompany Regional Military Operations

Geopolitical events and military operations often trigger a cascade of online activity, both legitimate and malicious. Recent data from our global threat network highlights the strong connection between military escalations and cyberattacks, with the latest example unfolding in the Middle East...

CISA Warns of Hurricane-Related Scams

As Hurricane Helene approaches, CISA urges users to remain on alert for potential malicious cyber activity. Fraudulent emails and social media messages—often containing malicious links or attachments—are common after major natural disasters. Exercise caution in handling emails with...

Rockwell Advises Disconnecting Internet-Facing ICS Devices Amid Cyber Threats

Rockwell Automation is urging its customers to disconnect all industrial control systems ICSs not meant to be connected to the public-facing internet to mitigate unauthorized or malicious cyber activity. The company said it's issuing the advisory due to "heightened geopolitical tensions and...

The LockBit’s Attempt to Stay Relevant, Its Imposters and New Opportunistic Ransomware Groups

The LockBit’s Attempt to Stay Relevant, Its Imposters and New Opportunistic Ransomware Groups By Jambul Tologonov and John Fokker · April 11, 2024 The Trellix Advanced Research Center has recently observed an uptick of LockBit-related cyber activity surrounding vulnerabilities in ScreenConnect...

CISA and Partners Release Advisory on PRC-sponsored Volt Typhoon Activity and Supplemental Living Off the Land Guidance

Today, CISA, the National Security Agency NSA, and the Federal Bureau of Investigation FBI released a joint Cybersecurity Advisory CSA, PRC State-Sponsored Actors Compromise and Maintain Persistent Access to U.S. Critical Infrastructure alongside supplemental Joint Guidance: Identifying and...

People's Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection

Summary The United States and international cybersecurity authorities are issuing this joint Cybersecurity Advisory CSA to highlight a recently discovered cluster of activity of interest associated with a People’s Republic of China PRC state-sponsored cyber actor, also known as Volt Typhoon...

Top CVEs Actively Exploited by People’s Republic of China State-Sponsored Cyber Actors   

CISA, the Federal Bureau of Investigation FBI, and the National Security Agency NSA have released a joint Cybersecurity Advisory CSA providing the top Common Vulnerabilities and Exposures CVEs used since 2020 by People’s Republic of China PRC state-sponsored cyber actors. PRC state-sponsored cybe...

FBI and CISA Publish a PSA on Malicious Cyber Activity Against Election Infrastructure

The Federal Bureau of Investigation FBI and CISA have published a joint public service announcement that: Assesses malicious cyber activity aiming to compromise election infrastructure is unlikely to result in large-scale disruptions or prevent voting. Confirms “the FBI and CISA have no reporting...

Hurricane-Related Scams 

CISA warns users to remain on alert for malicious cyber activity targeting potential disaster victims and charitable donors following a hurricane. Fraudulent emails—often containing malicious links or attachments—are common after major natural disasters. Exercise caution in handling emails with...

Iranian Islamic Revolutionary Guard Corps Affiliated Cyber Actors Exploiting Vulnerabilities for Data Extortion and Disk Encryption for Ransom Operations

CISA, Federal Bureau of Investigation FBI, National Security Agency NSA, U.S. Cyber Command USCC - Cyber National Mission Force CNMF, Department of the Treasury, Australian Cyber Security Centre ACSC, Canadian Centre for Cyber Security CCCS, and United Kingdom’s National Cyber Security Centre NCS...

North Korean State-Sponsored Cyber Actors Use Maui Ransomware to Target the Healthcare and Public Health Sector

CISA, the Federal Bureau of Investigation FBI, and the Department of the Treasury Treasury have released a joint Cybersecurity Advisory CSA, North Korean State-Sponsored Cyber Actors Use Maui Ransomware to Target the Healthcare and Public Health Sector, to provide information on Maui ransomware,...

FBI Seizes 'SSNDOB' ID Theft Service for Selling Personal Info of 24 Million People

An illicit online marketplace known as SSNDOB was taken down in operation led by U.S. law enforcement agencies, the Department of Justice DoJ announced Tuesday. SSNDOB trafficked in personal information such as names, dates of birth, credit card numbers, and Social Security numbers of about 24...

CISA Joins Partners to Release Advisory on Protecting MSPs and their Customers

The cybersecurity authorities of the United Kingdom, Australia, Canada, New Zealand, and the United States have released joint Cybersecurity Advisory CSA, Protecting Against Cyber Threats to Managed Service Providers and their Customers, to provide guidance on how to protect against malicious cyb...

CISA and FBI Update Advisory on Destructive Malware Targeting Organizations in Ukraine

CISA and the Federal Bureau of Investigation FBI have updated joint Cybersecurity Advisory AA22-057A: Destructive Malware Targeting Organizations in Ukraine, originally released February 26, 2022. The advisory has been updated to include additional indicators of compromise for WhisperGate and...

Skeletons in the Closet: Security 101 Takes a Backseat to 0-days

Rarely a month goes by without the infosec industry being plagued by a new zero-day apocalypse. Most recently in December 2021, the world was swept by a series of vulnerabilities in Log4J – a popular logging system used by thousands of systems around the world. While writing this article, the...

Russian State-Sponsored and Criminal Cyber Threats to Critical Infrastructure

The cybersecurity authorities of the United States, Australia, Canada, New Zealand, and the United Kingdom have released a joint Cybersecurity Advisory CSA to warn organizations that Russia’s invasion of Ukraine could expose organizations both within and beyond the region to increased malicious...

Russian State-Sponsored Actors Target Cleared Defense Contractor Networks

CISA, the Federal Bureau of Investigation FBI, and the National Security Agency NSA have released a joint Cybersecurity Advisory CSA highlighting regular targeting of U.S. cleared defense contractors CDCs by Russian state-sponsored cyber actors. These CDCs support contracts for the U.S. Departmen...

Iranian Government-Sponsored APT Cyber Actors Exploiting Microsoft Exchange and Fortinet Vulnerabilities in Furtherance of Malicious Activities

Summary Actions to Take Today to Protect Against Iranian State-Sponsored Malicious Cyber Activity • Immediately patch software affected by the following vulnerabilities: CVE-2021-34473, 2018-13379, 2020-12812, and 2019-5591. • Implementmulti-factor authentication. • Usestrong, unique passwords.v...