Active Threat Alerts

Cyber Actors Target K-12 Distance Learning Education to Cause Disruptions and Steal Data

This Joint Cybersecurity Advisory was coauthored by the Federal…
December 11, 2020/by SecureTech

Advanced Persistent Threat Actors Targeting U.S. Think Tanks

This Advisory uses the MITRE Adversarial Tactics, Techniques,…
December 1, 2020/by SecureTech

Iranian Advanced Persistent Threat Actor Identified Obtaining Voter Registration Data

This advisory uses the MITRE Adversarial Tactics, Techniques,…
October 31, 2020/by SecureTech

Ransomware Activity Targeting the Healthcare and Public Health Sector

This advisory uses the MITRE Adversarial Tactics, Techniques,…
October 29, 2020/by SecureTech

North Korean Advanced Persistent Threat Focus: Kimsuky

This advisory uses the MITRE Adversarial Tactics, Techniques,…
October 28, 2020/by SecureTech

FASTCash 2.0: North Korea’s BeagleBoyz Robbing Banks

North Korea's intelligence apparatus controls a hacking team…
October 27, 2020/by SecureTech

Technical Approaches to Uncovering and Remediating Malicious Activity

This joint advisory is the result of a collaborative research…
October 26, 2020/by SecureTech

Chinese Ministry of State Security-Affiliated Cyber Threat Actor Activity

Through the operation of the National Cybersecurity Protection…
October 25, 2020/by SecureTech

Iran-Based Threat Actor Exploits VPN Vulnerabilities

This Alert uses the MITRE Adversarial Tactics, Techniques,…
October 24, 2020/by SecureTech

AA20-133A: Top 10 Routinely Exploited Vulnerabilities

Original release date: May 12, 2020SummaryThe Cybersecurity and…
June 8, 2020/by

AA20-126A: APT Groups Target Healthcare and Essential Services

Original release date: May 5, 2020SummaryThis is a joint alert…
May 9, 2020/by

AA20-099A: COVID-19 Exploited by Malicious Cyber Actors

Original release date: April 8, 2020SummaryThis is a joint alert…
April 9, 2020/by

Vulnerability Summary for the Week of March 2, 2020

Original release date: March 9, 2020The CISA Weekly Vulnerability…
March 10, 2020/by

Vulnerability Summary for the Week of January 13, 2020

Original release date: January 20, 2020The CISA Weekly Vulnerability…
February 9, 2020/by