- From cause to cash: a cross-border look at hacktivist activity
June 8, 2026
While tracking the activities of 4BID Kaspersky researchers uncovered a new string of campaigns that appear to be the work of several interconnected actors. While politically motivated groups generally limit their scope to specific nations – for 4BID and its peers, primarily Russian and occasionally Belarusian organizations – the latest findings reveal a shift. The actual ...
- Seeking Counsel: Ongoing Targeted Campaign Against US Law Firms
June 5, 2026
From January through May 2026, Mandiant identified a financially motivated data theft extortion campaign executed by the threat cluster UNC3753 (also tracked as “Luna Moth,” “Chatty Spider,” and “Silent Ransom Group”) targeting dozens of organizations across professional, legal, and financial services in the United States. UNC3753 leverages voice phishing (vishing) and social engineering deception techniques to ...
- Meta, Starlink and Microsoft team up with the FBI to delete over 1.4 million accounts and seize millions in cryptocurrency related to huge scam networks targeting Americans
June 4, 2026
Dozens of people have been arrested, and millions of dollars in cryptocurrency seized, in a large-scale, multi-national operation against internet scammers and fraudsters. On May 18, the US Department of Justice, the FBI, Secret Service, law enforcement agencies in the UK, Australia, Canada, New Zealand, and Thailand, as well as multiple commercial businesses such as Meta, ...
- You do surprise me.exe: An unexpected executable in Hola Browser
June 4, 2026
During review work related to an AppEsteem Windows Certified Application test, Sophos X-Ops recently identified an unexpected executable delivered alongside Hola Browser (version 1.251.91.0). The executable, me.exe, was not listed as a certified component, and appears to be a crypto-miner. After the issue was reported through the certification program, Hola reported that they had fixed their delivery pipeline, removing the condition that ...
- Error 524 Decoy: Unmasking a Global Smishing Operation Hiding Behind Error Pages
June 3, 2026
Group-IB researchers expose a large-scale smishing and phishing operation impersonating 260+ brands across 72 countries, using fake Cloudflare error pages, geofencing, and encrypted WebSocket channels for real-time credit card theft. The operation has a layered anti-analysis evasion architecture, which uses convincing fake Cloudflare error pages, like the “Error 524” timeout screen, as a decoy. The malicious ...
- Ransomware groups grow revenue by almost 40% in Q1 2026
June 2, 2026
In the first quarter of the year, ransomware groups increased their revenue by almost 40%, compared to the same period last year. This is according to a new report from cybersecurity researchers Rapid7, who said the increase is partly due to a maturing cybercriminal industry. Rapid7 based its findings on its research telemetry, which showed that ...
- Password manager Dashlane says hackers stole some customers’ password vaults
June 2, 2026
Password manager maker Dashlane says hackers have obtained at least a dozen encrypted vaults used for storing customer passwords during a weekend cyberattack. The company said on its website that hackers brute-forced the company’s two-factor authentication system, granting the hackers access to about 20 customer accounts. By defeating its two-factor mechanism, the hackers were able to download a copy of ...
- Operation FlutterBridge: macOS Malvertising Campaign Spreads New FlutterShell Backdoor
June 2, 2026
Palo Alto Unit 42 are tracking an increasingly widespread malvertising campaign targeting macOS. This campaign appears to be the next stage of a previous campaign known as JSCoreRunner, which was first identified in August 2025. In recent months, the financially-motivated attackers behind these campaigns transitioned from delivering standard adware, to delivering adware with full backdoor ...
- Fake virus alerts are invading mobile games
June 2, 2026
Sometimes it happens. You’re happily playing a game on your phone or laptop when suddenly alarms pop up out of nowhere: “Your device is infected!” “Your iCloud is full!” “Your account is restricted for watching porn!” Some games can be played for free if you agree to watch ads, and in others you can get extra lives, perks, or ...
- Palo Alto VPN bug graduates from advisory to active exploitation
June 1, 2026
Palo Alto customers are being been told to patch yet another internet-facing security flaw after researchers caught attackers bypassing GlobalProtect authentication and gaining unauthorized VPN access. The flaw, tracked as CVE-2026-0257, affects PAN-OS deployments using GlobalProtect authentication override cookies under specific configurations. Read more… Source: The Register Sign up for the Cyber Security Review Newsletter The latest cyber security news and ...