Patch Tuesday, June 2024 “Recall” Edition

Microsoft today released updates to fix more than 50 security vulnerabilities in Windows and related software, a relatively light Patch Tuesday this month for Windows administrators. The software giant also responded to a torrent of negative feedback on a new feature of Redmond’s flagship operating system that constantly takes screenshots of whatever users are doing on their computers, saying the feature would no longer be enabled by default. Continue reading Patch Tuesday, June 2024 “Recall” Edition

Microsoft Patch Tuesday, June 2022 Edition

Microsoft on Tuesday released software updates to fix 60 security vulnerabilities in its Windows operating systems and other software, including a zero-day flaw in all supported Microsoft Office versions on all flavors of Windows that’s seen active exploitation for at least two months now. On a lighter note, Microsoft is officially retiring its Internet Explorer (IE) web browser, which turns 27 years old this year. Continue reading Microsoft Patch Tuesday, June 2022 Edition

Microsoft Patch Tuesday, December 2021 Edition

Microsoft, Adobe, and Google all issued security updates to their products today. The Microsoft patches include six previously disclosed security flaws, and one that that is already being actively exploited. But this month’s Patch Tuesday is being overshadowed by the “Log4Shell” 0-day exploit in a popular Java library that web server administrators are now racing to find and patch amid widespread exploitation of the flaw. Continue reading Microsoft Patch Tuesday, December 2021 Edition

Hackers seize severe Microsoft Exchange vulnerabilities in echo of widespread March attacks

A fresh wave of attacks against Microsoft Exchange has government cybersecurity officials on guard for a possible repeat of the chaos hackers rendered earlier this year by exploiting a different vulnerabilities in the popular workplace mail server. The Department of Homeland Security’s Cybersecurity and Infrastructure Security Agency issued an urgent warning Saturday that cybercriminals are actively exploiting months-old vulnerabilities in Microsoft’s ProxyShell. CISA recommended that customers update their systems using software patches that Microsoft released in May to address the vulnerabilities. National Security Agency Cybersecurity Director Rob Joyce also urged companies to patch against the vulnerabilities. Huntress Labs first reported the surge in attacks against unpatched Microsoft Exchange servers on Friday. Targeted organizations include “seafood processors, industrial machinery, auto repair shops, a small residential airport and more,”  Huntress Labs CEO Kyle Hanslovan tweeted. As of Sunday, the firm reported 164 total compromised servers. The trio of vulnerabilities can be used to […]

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Fintech Startup Offers $500 for Payroll Passwords

How much is your payroll data worth? Probably a lot more than you think. One financial startup that’s targeting the gig worker market is offering up to $500 to anyone willing to hand over the payroll account username and password given to them by their employer, plus a regular payment for each month afterwards in which those credentials still work. Continue reading Fintech Startup Offers $500 for Payroll Passwords

Microsoft patches critical vulnerability comparable to WannaCry

Microsoft released fixes Tuesday for a “wormable” remote code execution flaw reminiscent of the vulnerability that allowed WannaCry ransomware to propagate to computers around the globe in 2017. The Remote Desktop Services vulnerability, which Microsoft has rated as critical, could allow hackers to install programs, and view, change, or delete data. It requires no user interaction to work, meaning users don’t have to click on anything, such as a link, document, or message box, and attackers don’t need to run social engineering projects to dupe users. Microsoft took the unusual step of launching security updates for all users, including unsupported operating systems like XP and Windows 2003, due to the risk that the flaw can lead to self-propagating attacks. “In other words, the vulnerability is ‘wormable,’ meaning that any future malware that exploits this vulnerability could propagate from vulnerable computer to vulnerable computer in a similar way as the WannaCry malware spread across the […]

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Did the Mirai Botnet Really Take Liberia Offline?

KrebsOnSecurity received many a missive over the past 24 hours from readers who wanted to know why I’d not written about widespread media reports that Mirai — a malware strain made from hacked “Internet of Things” (IoT) devices such as poorly secured routers and IP cameras — was used to knock the entire country of Liberia offline. The trouble is, as far as I can tell no such nationwide outage actually occurred. Continue reading Did the Mirai Botnet Really Take Liberia Offline?