Residential proxies evaded IP reputation checks in 78% of 4B sessions

Researchers warn that residential proxies used to route malicious traffic are a big problem for IP reputation systems, as there is no clear distinction between attackers and legitimate users. This occurs because residential proxies are too short-lived, uninvolved, or systematically rotated, preventing defense systems from cataloging them in time. Cybersecurity intelligence platform GreyNoise determined this after examining a […]

Adversaries Exploit Vacant Homes to Intercept Mail in Hybrid Cybercrime

Fraud operations have expanded beyond traditional hacking techniques to include methods that exploit legitimate services and real-world infrastructure. By combining publicly available data, weak identity verification processes, and operational gaps, threat actors are building scalable fraud workflows that are both low-cost and difficult to detect. A tutorial shared in a fraud-focused chat group and analyzed […]

New Progress ShareFile flaws can be chained in pre-auth RCE attacks

Two vulnerabilities in Progress ShareFile, an enterprise-grade secure file transfer solution, can be chained to enable unauthenticated file exfiltration from affected environments. Progress ShareFile is a document sharing and collaboration product typically used by large and mid-sized companies. Such solutions are an attractive target for ransomware actors, as previously seen in Clop data-theft attacks exploiting bugs in Accellion […]

New CrystalRAT malware adds RAT, stealer and prankware features

A new malware-as-a-service called CrystalRAT is being promoted on Telegram, offering remote access, data theft, keylogging, and clipboard hijacking capabilities. The malware emerged in January with a tiered subscription model. Apart from the Telegram channel, the MaaS was also promoted on YouTube, via a dedicated marketing channel that showcased its capabilities. Kaspersky researchers say in a report […]

Hackers exploit TrueConf zero-day to push malicious software updates

Hackers have targeted TrueConf conference servers in attacks that exploit a zero-day vulnerability, allowing them to execute arbitrary files on all connected endpoints. The flaw is tracked as CVE-2026-3502 and received a medium severity score. It stems from a missing integrity check in the software’s update mechanism, which can be used to replace the legitimate update with […]

New EvilTokens service fuels Microsoft device code phishing attacks

A new malicious kit called EvilTokens integrates device code phishing capabilities, allowing attackers to hijack Microsoft accounts and provide advanced features for business email compromise attacks. The kit is sold to cybercriminals over Telegram and is under continuous development, its author stating that they plan to extend support for Gmail and Okta phishing pages. Device […]