Coverage of named threat actors and intrusion sets examines reported incidents, infrastructure, disruption, and defensive guidance.
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Coverage under this tag concerns a named threat actor or intrusion set: an individual, group, or organized operation assessed to be responsible for malicious cyber activity. Reports may describe incidents, malware, attack infrastructure, disruption efforts, or analyst assessments. Attribution is often provisional, so actor names and reported links should be treated as intelligence judgments rather than established identity, nationality, sponsorship, or motive.
For defenders, such reporting can help connect incidents and prioritize monitoring, but indicators and techniques may be reused or become obsolete. Validate reported infrastructure, hashes, and behaviors against local telemetry; use confirmed weaknesses to guide vulnerability remediation and access controls. If activity is suspected, preserve relevant logs and evidence, contain affected accounts or systems, and coordinate investigation without relying on an actor label alone.
A hitherto undocumented threat actor operating for nearly a decade and codenamed MoustachedBouncer has been attributed to cyber espionage attacks aimed at foreign embassies in Belarus
The Chinese threat actor known as APT31 (aka Bronze Vinewood, Judgement Panda, or Violet Typhoon) has been linked to a set of advanced backdoors that are capable of exfiltrating harvested sensitive information to Dropbox
An unknown threat actor has been linked to a cyber attack on a power generation company in South Africa with a new variant of the SystemBC malware called DroxiDat as a precursor to a suspected ransomware attack
Threat actors are increasingly using a phishing-as-a-service (PhaaS) toolkit dubbed EvilProxy to pull off account takeover attacks aimed at high-ranking executives at prominent companies
Diplomats who didn't use VPNs may have lost sensitive state information to a Belarusian threat actor that wields the "Disco" and "Nightclub" malware.
Threat actors are targeting execs and Microsoft 365 accounts
Google has changed the Google Chrome security updates schedule from bi-weekly to weekly to address the growing patch gap problem that allows threat actors extra time to exploit published n-day and zero-day flaws. [...]
Healthcare organizations are increasingly at risk from threat actors targeting Internet of Medical Things. Learn more from Outpost24 on how attack surface management can secure the IoMT devices. [...]
The U.K. Electoral Commission on Tuesday disclosed a "complex" cyber attack on its systems that went undetected for over a year, allowing the threat actors to access years worth of voter data belonging to 40 million people
Microsoft today released a defense-in-depth update for Microsoft Office that prevents exploitation of a remote code execution (RCE) vulnerability tracked as CVE-2023-36884 that threat actors have already leveraged in attacks. [...]
The threat actor is targeting organizations in Bulgaria, China, Vietnam, and various English-speaking nations.
Pushed to the edges by efficient EDRs, threat actors are forced to use living-off-the-land techniques
New research has revealed that threat actors are abusing Cloudflare Tunnels to establish covert communication channels from compromised hosts and retain persistent access
An unknown threat actor is using a variant of the Yashma ransomware to target various entities in English-speaking countries, Bulgaria, China, and Vietnam at least since June 4, 2023
Cybersecurity researchers have discovered a set of 11 living-off-the-land binaries-and-scripts (LOLBAS) that could be maliciously abused by threat actors to conduct post-exploitation activities. "LOLBAS is an attack method that uses binaries and scripts that are already part of the system for malicious purposes," Pentera security researcher Nir Chako said. "This makes it hard for security teams
Threat actors such as the operators of the Cl0p ransomware family increasingly exploit unknown and day-one vulnerabilities in their attacks.
Accenture's Cyber Threat Intelligence unit has observed a tenfold rise in Dark Web threat actors targeting macOS since 2019, and the trend is poised to continue.
A new malware campaign has been observed making use of malicious OpenBullet configuration files to target inexperienced cyber criminals with the goal of delivering a remote access trojan (RAT) capable of stealing sensitive information