Credential Theft
Microsoft disables File Explorer preview for downloads to block attacks
Microsoft says that the File Explorer (formerly Windows Explorer) now automatically blocks previews for files downloaded from the Internet to block credential theft attacks via malicious documents. The change is already live for users who have installed this month’s Patch Tuesday security updates on Windows 11 and Windows Server systems. As Redmond explains in a support […]
Microsoft and Cloudflare disrupt massive RaccoonO365 phishing service
Microsoft and Cloudflare have disrupted a massive Phishing-as-a-Service (PhaaS) operation, known as RaccoonO365, that helped cybercriminals steal thousands of Microsoft 365 credentials. In early September 2025, in coordination with Cloudflare’s Cloudforce One and Trust and Safety teams, Microsoft’s Digital Crimes Unit (DCU) disrupted the cybercrime operation by seizing 338 websites and Worker accounts linked to RaccoonO365. The […]
Major password managers can leak logins in clickjacking attacks
Six major password managers with tens of millions of users are currently vulnerable to unpatched clickjacking flaws that could allow attackers to steal account credentials, 2FA codes, and credit card details. Threat actors could exploit the security issues when victims visit a malicious page or websites vulnerable to cross-site scripting (XSS) or cache poisoning, where attackers […]
UK sentences “serial hacker” of 3,000 sites to 20 months in prison
A 26-year old in the UK who claimed to have hacked thousands of websites was sentenced to 20 months in prison after pleading guilty earlier this year. Al-Tahery Al-Mashriky of Rotherham, UK, was arrested in 2022 based on information received from U.S. law enforcement and charged for stealing log in details of millions of Facebook users, and […]
ViLE gang members sentenced for extortion, police portal breach
Two members of a group of cybercriminals named ViLE were sentenced this week for hacking into a federal law enforcement web portal in an extortion scheme. According to court documents, ViLE specializes in obtaining personal information about targets to harass, threaten, or extort them, a practice known as “doxing.” To collect sensitive information on their victims, […]
Kickidler employee monitoring software abused in ransomware attacks
Ransomware operations are using legitimate Kickidler employee monitoring software for reconnaissance, tracking their victims’ activity, and harvesting credentials after breaching their networks. In attacks observed by cybersecurity companies Varonis and Synacktiv, Qilin and Hunters International ransomware affiliates installed Kickidler, an employee monitoring tool that can capture keystrokes, take screenshots, and create videos of the screen. Kickidler’s developer says the tool […]
Microsoft: New RAT malware used for crypto theft, reconnaissance
Microsoft has discovered a new remote access trojan (RAT) that employs “sophisticated techniques” to avoid detection, maintain persistence, and extract sensitive data. While the malware (dubbed StilachiRAT) hasn’t yet reached widespread distribution, Microsoft says it decided to publicly share indicators of compromise and mitigation guidance to help network defenders detect this threat and reduce its […]
Malicious Chrome extensions can spoof password managers in new attack
A newly devised “polymorphic” attack allows malicious Chrome extensions to morph into other browser extensions, including password managers, crypto wallets, and banking apps, to steal sensitive information. The attack was devised by SquareX Labs, which warns of its practicality and feasibility on the latest version of Chrome. The researchers have responsibly disclosed the attack to Google. […]
Have I Been Pwned adds 284M accounts stolen by infostealer malware
The Have I Been Pwned data breach notification service has added over 284 million accounts stolen by information stealer malware and found on a Telegram channel. HIBP founder Troy Hunt says he found 284,132,969 compromised accounts while analyzing 1.5TB of stealer logs likely collected from numerous sources and shared on a Telegram channel known as “ALIEN TXTBASE.” “They […]
390,000 WordPress accounts stolen from hackers in supply chain attack
A threat actor tracked as MUT-1244 has stolen over 390,000 WordPress credentials in a large-scale, year-long campaign targeting other threat actors using a trojanized WordPress credentials checker. Researchers at Datadog Security Labs, who spotted the attacks, say that SSH private keys and AWS access keys were also stolen from the compromised systems of hundreds of […]