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.
Threat intelligence observations show that a single threat actor is responsible for most of the active exploitation of two critical vulnerabilities in Ivanti Endpoint Manager Mobile (EPMM), tracked as CVE-2026-21962 and CVE-2026-24061. [...]
Threat actors are sending physical letters pretending to be from Trezor and Ledger, makers of cryptocurrency hardware wallets, to trick users into submitting recovery phrases in crypto theft attacks. [...]
A new variation of the fake recruiter campaign from North Korean threat actors is targeting JavaScript and Python developers with cryptocurrency-related tasks. [...]
Threat actors are abusing Claude artifacts and Google Ads in ClickFix campaigns that deliver infostealer malware to macOS users searching for specific queries. [...]
A previously undocumented threat actor has been attributed to attacks targeting Ukrainian organizations with malware known as CANFAIL
Threat actors are exploiting security gaps to weaponize Windows drivers and terminate security processes in targeted networks, and there may be no easy fixes in sight.
A previously unknown threat actor tracked as UAT-9921 has been observed leveraging a new modular framework called VoidLink in its campaigns targeting the technology and financial services sectors, according to findings from Cisco Talos
Threat actors have started to exploit a recently disclosed critical security flaw impacting BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA) products, according to watchTowr
As if snooping on your workers wasn't bad enough Your supervisor may like using employee monitoring apps to keep tabs on you, but crims like the snooping software even more. Threat actors are now using legit bossware to blend into corporate networks and attempt ransomware deployment.…
Google on Thursday said it observed the North Korea-linked threat actor known as UNC2970 using its generative artificial intelligence (AI) model Gemini to conduct reconnaissance on its targets, as various hacking groups continue to weaponize the tool for accelerating various phases of the cyber attack life cycle, enabling information operations, and even conducting model extraction attacks
Singapore Signals Heightened Vigilance Against State-Linked Threat ActorsSingapore conducted a yearlong, multi-agency cyber defense operation to expel UNC3886 from all four major telecom providers after the advanced threat actor accessed segments of critical communications infrastructure and extracted limited technical data without disrupting services.
In moving away from traditional banks to focus on Web3 companies, the threat actor is leveraging LLMs, deepfakes, legitimate platforms, and ClickFix.
The North Korea-linked threat actor known as UNC1069 has been observed targeting the cryptocurrency sector to steal sensitive data from Windows and macOS systems with the ultimate goal of facilitating financial theft
Shadow Aeza International Directed Traffic to Malicious AdtechA financially motivated threat actor hacked dozens of domain name system resolvers, connecting them to the infrastructure of a Russian bulletproof hosting service sanctioned by the U.S. Department of Treasury for its criminal links, researchers found.
The Chinese threat actor tracked as UNC3886 breached Singapore's four largest telecommunication service providers, Singtel, StarHub, M1, and Simba, at least once last year. [...]
The threat actor has been compromising cloud environments at scale with automated worm-like attacks on exposed services and interfaces.
Hackers are now exploiting SolarWinds Web Help Desk (WHD) vulnerabilities to gain code execution rights on exposed systems and deploy legitimate tools, including the Velociraptor forensics tools, for persistence and remote control. [...]
Microsoft has revealed that it observed a multi‑stage intrusion that involved the threat actors exploiting internet‑exposed SolarWinds Web Help Desk (WHD) instances to obtain initial access and move laterally across the organization's network to other high-value assets
The threat actor known as Bloody Wolf has been linked to a campaign targeting Uzbekistan and Russia to infect systems with a remote access trojan known as NetSupport RAT