Latest cybersecurity reporting from selected sources.

The researcher known as "Nightmare-Eclipse" published a proof-of-concept (PoC) exploit for the Windows Defender vulnerability in early June after dropping several other Microsoft zero-days.

The disgruntled researcher released yet another PoC for a Windows Defender bug that allows for system takeover, showing no signs of abandoning their ongoing feud with Microsoft.

A proof-of-concept exploit (PoC) shows how someone with admin privileges can exploit the issue to steal passwords, and thus use them to engage in further malicious activity.

Three proof-of-concept exploits are being used in active attacks against Microsoft's built-in security platform; two are unpatched.

Under the alias 'Chaotic Eclipse,' a researcher released a PoC exploit for a zero-day flaw that allows for system takeover by a local user, citing an undisclosed beef with Microsoft.

Proof-of-concept exploit code is publicly available for two other flaws in this month's Patch Tuesday. In total, the company issued patches for more than 1,150 flaws this year.

Worried about hackers employing LLMs to write powerful malware? Using targeted reinforcement learning (RL) to train open source models in specific tasks has yielded the capability to do just that.

A proof-of-concept (PoC) attack vector exploits two Azure authentication tokens from within a browser, giving threat actors persistent access to key cloud services, including Microsoft 365 applications.

The risk of exploitation is heightened, thanks to a proof-of-concept that's been made publicly available.

A supposed exploit for a notable RCE vulnerability in the popular Windows file-archiving utility delivers a big sting for unwitting researchers and cybercriminals.

Snowballing PoC exploits for CVE-2023-23397 and a massive attack surface means almost business user could be a victim.

The security vulnerability allows attackers to spoof a target certificate and masquerade as any website, among other things.