Security News

Microsoft warns that new Windows updates may break printing
2022-07-22 14:30

Microsoft warned that starting with this week's optional preview updates, temporary mitigation provided one year ago to address Windows Server printing issues on non-compliant devices will be removed, potentially breaking printing. As Redmond explained last year, a known issue might cause print and scan failures on multiple Windows Server versions after installing the July 2021 security updates on Windows domain controllers.

Windows 11 KB5015882 update fixes bugs causing File Explorer to freeze
2022-07-21 21:52

Microsoft has released the optional KB5015882 Preview cumulative update for Windows 11 with 20 fixes or improvements, including new Focus Assist and OS upgrade features. This Windows 11 cumulative update is part of Microsoft's July 2022 monthly "C" update, allowing users to test the upcoming updates and fixes in the August 2022 Patch Tuesday.

Windows 11 now blocks RDP brute-force attacks by default
2022-07-21 11:35

Recent Windows 11 builds come with the Account Lockout Policy policy enabled by default which will automatically lock user accounts after 10 failed sign-in attempts for 10 minutes. "Win11 builds now have a DEFAULT account lockout policy to mitigate RDP and other brute force password vectors," David Weston, Microsoft's VP for Enterprise and OS Security, tweeted Thursday.

Convincing ‘YouTube’ Google ads lead to Windows support scams
2022-07-20 18:43

A scarily realistic-looking Google Search YouTube advertisement is redirecting visitors to tech support scams pretending to be security alerts from Windows Defender. Today, cybersecurity firm Malwarebytes disclosed that they discovered a "Major" malvertising campaign abusing Google ads.

New Rust-based Ransomware Family Targets Windows, Linux, and ESXi Systems
2022-07-20 13:46

Kaspersky security researchers have disclosed details of a brand-new ransomware family written in Rust, making it the third strain after BlackCat and Hive to use the programming language. Luna, as it's called, is "Fairly simple" and can run on Windows, Linux, and ESXi systems, with the malware banking on a combination of Curve25519 and AES for encryption.

New Luna ransomware encrypts Windows, Linux, and ESXi systems
2022-07-20 09:32

A new ransomware family dubbed Luna can be used to encrypt devices running several operating systems, including Windows, Linux, and ESXi systems.Discovered by Kaspersky security researchers via a dark web ransomware forum ad spotted by the company's Darknet Threat Intelligence active monitoring system, Luna ransomware appears to be specifically tailored to be used only by Russian-speaking threat actors.

Enforcing Password History in Your Windows AD to Curb Password Reuse
2022-07-18 14:04

Microsoft recommends configuring the password history to remember the last 24 passwords. Unless an organization enforces a password history requirement, a user could skirt the rules by changing their password and then immediately changing back to their original password.

Microsoft's latest security patch troubles Windows 11 users
2022-07-18 14:00

Complaints over Microsoft's latest patch Tuesday have intensified after some Windows 11 users found their systems worse for wear following installation. The July 12 patch, KB5015814, was a relatively straightforward one that dealt with a number of what Microsoft delicately termed "Security issues" in its summary.

CISA Urges Patch of Exploited Windows 11 Bug by Aug. 2
2022-07-18 12:19

A Windows 11 vulnerability, part of Microsoft's Patch Tuesday roundup of fixes, is being exploited in the wild, prompting the U.S. Cybersecurity and Infrastructure Security Agency to advise patching of the elevation of privileges flaw by August 2. The recommendation is directed at federal agencies and concerns CVE-2022-22047, a vulnerability that carries a CVSS score of high and exposes Windows Client Server Runtime Subsystem used in Windows 11 and also Windows Server 2022 to attack.

Windows Network File System flaw results in arbitrary code execution as SYSTEM
2022-07-15 14:15

Trend Micro Research has published an anatomy of a Windows remote code execution vulnerability lurking in the Network File System. The vulnerability in question, CVE-2022-30136, was patched by Microsoft in June but the research makes for interesting reading both in terms of the vulnerability itself and the potential for exploitation.