Security News

Microsoft 365 search outage affects Outlook, Teams, and SharePoint
2023-04-24 11:47

Microsoft is investigating an ongoing issue preventing some customers from using the search functionality across multiple Microsoft 365 services. The list of affected services includes but is not limited to Outlook on the Web, SharePoint Online, Microsoft Teams, and Outlook desktop clients.

How fiends abuse an out-of-date Microsoft Windows driver to infect victims
2023-04-24 11:30

Ransomware spreaders have built a handy tool that abuses an out-of-date Microsoft Windows driver to disable security defenses before dropping malware into the targeted systems. To be clear, AuKill takes the BYOVD approach: it brings onto the PC a vulnerable Microsoft driver to exploit.

If you haven't patched Microsoft Process Explorer, prepare to be pwned
2023-04-24 11:30

The hacking tool, which Sophos X-Ops researchers are calling AuKill, is the latest example in a growing trend where threat gangs either abuse a legitimate commercial driver to get past endpoint detection and response software on the systems - the so-called bring-your-own-vulnerable-driver attack - or work to get a malicious driver digitally signed by a trusted certificate. As part of the research, Microsoft suspended various third-party developers of malicious Windows drivers and revoked certificates that were used to sign the drivers.

Microsoft pushes for more women in cybersecurity
2023-04-21 22:03

Microsoft has partnered with organizations around the globe to bring more women into infosec roles, though the devil is in the details. "We must create more inclusive and supportive learning environments, and we see greater success in building confidence and soft skills among women with cohorts that are majority women," Behncken said in a blog post announcing the new partnerships.

Microsoft 365 outage blocks access to web apps and services
2023-04-20 14:24

Microsoft is investigating an ongoing outage blocking customers worldwide from accessing and using web apps and online services. The list of affected services includes Microsoft 365 fort the web, the Microsoft 365 suite, Microsoft Teams, and Microsoft Planner.

Microsoft Defender update causes Windows Hardware Stack Protection mess
2023-04-19 21:57

In a confusing mess, a recent Microsoft Defender update rolled out a new security feature called 'Kernel-mode Hardware-enforced Stack Protection,' while removing the LSA protection feature. A recent Microsoft Defender update has made this feature even more confusing, as after it is installed, the LSA Protection feature is removed and replaced by a new feature called Kernel-mode Hardware-enforced Stack Protection.

Microsoft SQL servers hacked to deploy Trigona ransomware
2023-04-19 19:26

Attackers are hacking into poorly secured and Interned-exposed Microsoft SQL servers to deploy Trigona ransomware payloads and encrypt all files. Exe service, which they use to launch the Trigona ransomware as svchost.

Microsoft: Iranian hackers behind retaliatory cyberattacks on US orgs
2023-04-18 20:03

Microsoft has discovered that an Iranian hacking group known as 'Mint Sandstorm' is conducting cyberattacks on US critical infrastructure in what is believed to be retaliation for recent attacks on Iran's infrastructure. In a new report, researchers in Microsoft's Threat Intelligence team explain that a subgroup of Mint Sandstorm switched from performing surveillance in 2022 to performing direct attacks on US critical infrastructure.

Microsoft opens up Defender threat intel library with file hash, URL search
2023-04-18 19:30

Security researchers and analysts can now search Microsoft's Threat Intelligence Defender database using file hashes and URLs when pulling together information for network intrusion investigations and whatnot. "Often, analysts must go to multiple repositories to obtain the critical data sets they need to assess a suspicious domain, host, or IP address," Redmond wrote earlier about Defender Threat Intelligence, aka Defender TI. "DNS data, WHOIS information, malware, and SSL certificates provide important context to indicators of compromise, but these repositories are widely distributed and don't always share a common data structure, making it difficult to ensure analysts have all relevant data needed to make a proper and timely assessment of suspicious infrastructure."

Payments firm accused of aiding 'contact Microsoft about a virus' scammers must cough $650k
2023-04-18 18:34

Two execs and a multinational payment processing company must pay $650k to the US government, says the FTC, which accuses them of knowingly processing credit card payments for Microsoft-themed support scammers. The Justice Department and the Feds claim [PDF] Nexway, along with a web of related companies based in France, Switzerland, Germany, and the US, violated the FTC Act and the Telemarketing Sales Rule by processing payments for India-based Tech Live Connect and "Other foreign clients" that commit telemarketing fraud via tech support scams all over the world, although the agency and the department are regulating the United States side of things.