Tag: unit 42
43 articles
Cyber Extortion Economy Shifts Away From Ransomware Encryption
The cyber extortion landscape is undergoing a seismic shift, with threat actors ditching ransomware encryption in favor of data-only extortion - and they're moving at lightning speed, with one case seeing data exfiltration in just 39 seconds. This trend is driven by improved backup and recovery methods, leaving attackers to focus on stealing sensitive data.
Malvertisers Exploit Code Signing in TamperedChef Malware Campaigns
Meet the sneaky malware campaign that's been flying under the radar, leveraging polished marketing tactics and code signing to spread its malicious reach - with over 4,000 samples and 100 unique variants uncovered across three distinct clusters of activity.
Gremlin Stealer Evolves With Advanced Obfuscation Tactics
Meet the new and improved Gremlin Stealer, which has upgraded its hiding game by cleverly concealing its payloads in .NET resource blobs and only revealing them at runtime, making it a stealthier threat than ever. This latest variant uses single-byte XOR encoding to mask its malicious code, evading detection by signature and heuristic scanners.
Palo Alto Networks Discloses Active Exploitation of PAN-OS Flaw Enabling Espionage
Palo Alto Networks has uncovered active exploitation of a high-severity flaw in PAN-OS software, allowing attackers to execute arbitrary code with root privileges and inject shellcode into vulnerable systems. This critical vulnerability, tracked as CVE-2026-0300, enables unauthenticated remote code execution, putting affected appliances at risk of espionage.
Threat Actors Exploit Blind Spots Beyond Endpoint Defenses
Attackers are now moving at an alarming pace, taking data four times faster than in 2025, and exploiting the blind spots that an over-reliance on endpoint defenses creates. They're striking across multiple surfaces, from cloud services to remote users, to evade detection and get in and out quickly.
Malicious AI Browser Extensions Exfiltrate User Data
Beware of AI browser extensions that promise to boost productivity but secretly steal your data. Researchers uncovered 18 malicious extensions that masquerade as helpful tools but deliver spyware, Trojans, and other threats that can hijack your online activity.
BlackFile Targets Retail, Hospitality with Extortion Attacks
Meet BlackFile, a notorious extortion group wreaking havoc on the retail and hospitality sectors with high-stakes attacks, demanding seven-figure ransoms from its victims. With a modus operandi that includes impersonation and voice-phishing, this threat actor is using pressure tactics to get what they want.
TGR-STA-1030 Intensifies Espionage Push in Central, South America
The threat group TGR-STA-1030 is ramping up its espionage efforts in Central and South America, with sustained and widespread activity observed across multiple countries since February. This persistent campaign has recently intensified, with a heavy focus on regions within Central and South America.
AI Models Turbocharge Vulnerability Discovery
Imagine a world where AI models don't just help find software bugs, but actually behave like expert security researchers - that's the reality we're facing, and it's changing the vulnerability discovery game. Frontier AI models are now capable of autonomously discovering zero-day vulnerabilities and speeding up patching processes.
Iran's Cyber Threat Landscape Intensifies
Iran's cyber threat landscape is escalating, with phishing, hacktivist operations, and criminal activity converging to create a complex risk picture. A recent Unit 42 threat brief offers valuable insights and practical guidance to help defenders stay ahead of these emerging threats.
TeamPCP Infiltrates Security Infrastructure with Multi-Stage Supply Chain Attack
When security tools meant to safeguard networks become the entry point for attacks, trust is shattered - and that's exactly what's happening with TeamPCP's multi-stage supply chain attacks on security infrastructure. This sinister tactic lets threat actors turn protectors into launchpads for wider compromise.
Unit 42 Uncovers Axios Supply Chain Attack's Far-Reaching Consequences
When a trusted software pathway is compromised, the consequences can be far-reaching - as Unit 42's recent analysis of the Axios supply chain attack starkly reveals, threatening digital trust and resilience. The team's detailed examination exposes the attack's full chain, from initial dropper to forensic cleanup.
Unit 42 Research Exposes Risks in Amazon Bedrock's Multi-Agent AI Systems
Unit 42's latest research reveals a hidden threat: multi-agent AI systems on Amazon Bedrock can be vulnerable to new and alarming risks, including prompt injection attacks that practitioners can't afford to ignore. Learn how to safeguard your AI applications from these emerging threats.
Vulnerabilities Exposed in Amazon Bedrock AgentCore Sandbox
Security researchers at Unit 42 have uncovered critical vulnerabilities in Amazon Bedrock AgentCore's sandbox, revealing that a protective layer meant to separate code and services can be breached using DNS tunneling, exposing sensitive credentials in the process. This alarming discovery highlights the potential risks of slipping through the cracks of a supposedly secure system.
Kubernetes Environments Under Siege as Attacks Escalate
Kubernetes environments are under attack like never before, with threat actors exploiting identities and critical vulnerabilities to compromise cloud infrastructure - so what can organizations do to protect themselves? The warning signs are clear: it's time to take action against escalating Kubernetes attacks.
TGR-STA-1030 Exclusive: Severe Breach Hits 70 Sites
Meet TGR-STA-1030: a stealthy Asia-based espionage crew that’s quietly breached at least 70 government and critical‑infrastructure networks across 37 countries, using bespoke tools, credential harvesting and meticulous reconnaissance to keep long‑term, hard-to-detect access to telecom and communications systems.
Nation-State Hackers Deploy Dire Exclusive Airstalk Malware
Think your MDM keeps devices safe? Think again — a suspected nation-state is using the AirWatch API to deploy Airstalk malware, hijacking trusted management channels to stealthily compromise fleets of phones.
Jingle Thief Exclusive: Costly Cloud Hack Steals Millions
Imagine criminals turning your retailer’s cloud into a holiday ATM—Unit 42 warns the Jingle Thief gang uses phishing and smishing to steal credentials and exploit misconfigured cloud systems to issue and redeem millions in gift cards. Stronger identity controls, logging and vendor oversight are urgent fixes before consumers and merchants are left cleaning up the mess.
NET malware Dangerous: Exclusive Phantom Taurus Threat
A Beijing-linked group dubbed Phantom Taurus is quietly using custom .NET malware to hunt credentials and siphon sensitive files from government web servers across Asia, Africa and the Middle East — a sharp reminder that everyday frameworks can hide serious threats. Defenders should harden .NET apps, tighten logging and MFA, and share indicators fast to turn the tables before secrets slip away.