September 2022 – Page 5 – We Fix PC

This image shows its own MD5 checksum — and it’s kind of a big deal

Generating checksums—cryptographic hashes such as MD5 or SHA-256 functions for files is hardly anything new and one of the most efficient means to ascertain the integrity of a file, or to check if two files are identical. But a researcher has generated an image that visibly contains its own MD5 hash. […]

Microsoft shares workarounds for Windows Group Policy issues

Microsoft has acknowledged a known issue where copying files/shortcuts using Group Policy Preferences on Windows client devices might not work as expected after installing recent Windows cumulative updates released during this month’s Patch Tuesday. […]

CISA warns of critical ManageEngine RCE bug used in attacks

The Cybersecurity and Infrastructure Security Agency (CISA) has added a critical severity Java deserialization vulnerability affecting multiple Zoho ManageEngine products to its catalog of bugs exploited in the wild. […]

Windows 11 22H2 causing gaming issues for some NVIDIA users

According to user reports, the Windows 11 22H2 feature update released earlier this week is causing gaming performance issues on systems with NVIDIA GPUs. […]

NSA shares guidance to help secure OT/ICS critical infrastructure

The National Security Agency (NSA) and CISA have issued guidance on how to secure operational technology (OT) and industrial control systems (ICSs) part of U.S. critical infrastructure. […]

Microsoft adds ‘systemd’ to the Windows Subsystem for Linux

Microsoft and Canonical have teamed up to add systemd support to the Windows Subsystem for Linux, allowing a larger number of compatible apps to be installed. […]

Microsoft Exchange servers hacked via OAuth apps for phishing

Microsoft says a threat actor gained access to cloud tenants hosting Microsoft Exchange servers in credential stuffing attacks, with the end goal of deploying malicious OAuth applications and sending phishing emails. […]

Windows 11 gets better protection against SMB brute-force attacks

Microsoft announced that the Windows 11 SMB server is now better protected against brute-force attacks with the release of the Insider Preview Build 25206 to the Dev Channel. […]

Domain shadowing becoming more popular among cybercriminals

Threat analysts at Palo Alto Networks (Unit 42) discovered that the phenomenon of ‘domain shadowing’ might be more prevalent than previously thought, uncovering 12,197 cases while scanning the web between April and June 2022. […]

Twitter failed to log you out of all devices after password resets

Twitter logged out some users after addressing a bug where some Twitter accounts remained logged on some mobile devices after voluntary password resets. […]