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Tag: persistent

New Russian-Linked GREYVIBE Targets Ukraine with AI-Powered Cyberattacks

A previously undocumented threat actor dubbed GREYVIBE has been attributed to ongoing and persistent attacks targeting Ukraine and Ukraine-related entities since at least August 2025. GREYVIBE, per WithSecure, is assessed to be a Russian-speaking group operating broadly in the Russian time zone, with the activities aligning with Kremlin state interests, specifically when it comes to

Simplifying policy management with URL and Domain Category filtering on AWS Network Firewall

Network administrators face a persistent challenge: maintaining domain blocklists and allowlists that keep pace with the internet. New websites and services emerge daily, and keeping these lists current requires constant manual updates that leave gaps in coverage. This challenge intensifies when managing access to rapidly evolving categories like AI services, where new tools launch on…

China-Linked UAT-8302 Targets Governments Using Shared APT Malware Across Regions

A sophisticated China-nexus advanced persistent threat (APT) group has been attributed to attacks targeting government entities in South America since at least late 2024 and government agencies in southeastern Europe in 2025. The activity is being tracked by Cisco Talos under the moniker UAT-8302, with post-exploitation involving the deployment of custom-made malware families that have…

Two new extortion crews are speedrunning the Scattered Spider playbook

A pair of persistent and problematic threat groups affiliated with The Com are actively targeting organizations across multiple critical infrastructure sectors for rapid data theft and extortion attacks, according to CrowdStrike. The financially-motivated attackers, which CrowdStrike tracks as Cordial Spider and Snarky Spider, have used voice-phishing and social engineering attacks to break into victims’ identity…

N. Korean Hackers Spread 1,700 Malicious Packages Across npm, PyPI, Go, Rust

The North Korea-linked persistent campaign known as Contagious Interview has spread its tentacles by publishing malicious packages targeting the Go, Rust, and PHP ecosystems. “The threat actor’s packages were designed to impersonate legitimate developer tooling […], while quietly functioning as malware loaders, extending Contagious Interview’s established playbook into a coordinated

Google’s TurboQuant cuts AI memory use without losing accuracy

Large language models carry a persistent scaling problem. As context windows grow, the memory required to store key-value (KV) caches expands proportionally, consuming GPU memory and slowing inference. A team at Google Research has developed three compression algorithms: TurboQuant, PolarQuant, and Quantized Johnson-Lindenstrauss (QJL). All three are designed to compress those caches aggressively without degrading…

AI-assisted Slopoly malware powers Hive0163’s ransomware campaigns

The Hive0163 group used AI-assisted malware called Slopoly to maintain persistent access in ransomware attacks. IBM X-Force researchers report that the financially motivated group Hive0163 is using AI-assisted malware named Slopoly to maintain persistent access during ransomware attacks, showing how threat actors can quickly build new malware frameworks using AI. Hive0163 is a threat actor…

China-Linked Hackers Use TernDoor, PeerTime, BruteEntry in South American Telecom Attacks

A China-linked advanced persistent threat (APT) actor has been targeting critical telecommunications infrastructure in South America since 2024, targeting Windows and Linux systems and edge devices with three different implants. The activity is being tracked by Cisco Talos under the moniker UAT-9244, describing it as closely associated with another cluster known as FamousSparrow. It’s worth

APT41-Linked Silver Dragon Targets Governments Using Cobalt Strike and Google Drive C2

Cybersecurity researchers have disclosed details of an advanced persistent threat (APT) group dubbed Silver Dragon that has been linked to cyber attacks targeting entities in Europe and Southeast Asia since at least mid-2024. “Silver Dragon gains its initial access by exploiting public-facing internet servers and by delivering phishing emails that contain malicious attachments,” Check Point…