A clever malware deployment scheme first spotted in targeted attacks last year has now gone mainstream. In this scam, dubbed “ClickFix,” the visitor to a hacked or malicious website is asked to distinguish themselves from bots by pressing a combination of keyboard keys that causes Microsoft Windows to download password-stealing malware. ClickFix attacks mimic the […]
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Adam Barnett, adobe, apple, CVE-2024-38193, CVE-2025-21377, CVE-2025-21391, CVE-2025-21418, google chrome, Krebs, Microsoft 365 Copilot, Microsoft Patch Tuesday February 2025, News, Other, Rapid7, sans internet storm center, Satnam Narang, Security, Tenable, Time to Patch
Microsoft Patch Tuesday, February 2025 Edition
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Feb
Feb
Microsoft today issued security updates to fix at least 56 vulnerabilities in its Windows operating systems and supported software, including two zero-day flaws that are being actively exploited. All supported Windows operating systems will receive an update this month for a buffer overflow vulnerability that carries the catchy name CVE-2025-21418. This patch should be a […]
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Dec
Dec
Image: Shutterstock, Dreamansions. KrebsOnSecurity.com turns 15 years old today! Maybe it’s indelicate to celebrate the birthday of a cybercrime blog that mostly publishes bad news, but happily many of 2024’s most engrossing security stories were about bad things happening to bad guys. It’s also an occasion to note that despite my publishing fewer stories than […]
Adam Barnett, CVE-2024-49112, CVE-2024-49138, Fortra, Immersive Labs, Krebs, LDAP, Lightweight Directory Access Protocol, Microsoft Patch Tuesday December 2024, News, Other, Rapid7, Rob Reeves, Security, Tenable, Tyler Reguly, Windows Common Log File System (CLFS) driver
Patch Tuesday, December 2024 Edition
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Dec
Dec
Microsoft today released updates to plug at least 70 security holes in Windows and Windows software, including one vulnerability that is already being exploited in active attacks. The zero-day seeing exploitation involves CVE-2024-49138, a security weakness in the Windows Common Log File System (CLFS) driver — used by applications to write transaction logs — that […]
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May
May
The U.S. Department of Justice (DOJ) today said they arrested the alleged operator of 911 S5, a ten-year-old online anonymity service that was powered by what the director of the FBI called “likely the world’s largest botnet ever.” The arrest coincided with the seizure of the 911 S5 website and supporting infrastructure, which the government […]
911 S5, 911s5, Biz Pattaya Group Company Limited, DewVPN, Jingping Liu, Krebs, Lily Suites Company Limited, MaskVPN, News, Other, PaladinVPN, proxy, residential proxies, Riley Kilmer, Security, spur.us, U.S. Department of the Treasury, Yanni Zheng, Yunhe Wang
Treasury Sanctions Creators of 911 S5 Proxy Botnet
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May
May
The U.S. Department of the Treasury today unveiled sanctions against three Chinese nationals for allegedly operating 911 S5, an online anonymity service that for many years was the easiest and cheapest way to route one’s Web traffic through malware-infected computers around the globe. KrebsOnSecurity identified one of the three men in a July 2022 investigation […]
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Apr
Apr
On April 9, Twitter/X began automatically modifying links that mention “twitter.com” to read “x.com” instead. But over the past 48 hours, dozens of new domain names have been registered that demonstrate how this change could be used to craft convincing phishing links — such as fedetwitter[.]com, which is currently rendered as fedex.com in tweets. The […]