A newly discovered zero-day vulnerability in Microsoft Exchange Server has experts declaring an emergency and urging CSOs to ...

On Thursday, Microsoft shared mitigations for a high-severity Exchange Server vulnerability exploited in attacks that allow ...

Microsoft has disclosed a new security vulnerability impacting on-premise versions of Exchange Server that it said has come ...

Web hosts are scrambling to fix the bug under active attack by hackers. One company said hackers have been abusing the bug for months.

See the top ethical hacking tools for 2026, from Nmap to Burp Suite, and learn how security teams test, audit, and defend ...

PCWorld reports on the ‘RedSun’ vulnerability in Microsoft Defender affecting Windows 10, 11, and Server systems that allows attackers to gain administrative privileges. Security researcher Chaotic ...

An iPhone exploit that involves a linked Visa card can allow attackers to steal money from a locked device using NFC, but the process is complex, requiring physical access and specialized hardware.

The software bug was capable of crashing an operating system used by firewalls, servers and network appliances. It went undetected for over 27 years. Last month, it was caught by Mythos, the latest AI ...

A critical Adobe Acrobat zero-day has been exploited for months via malicious PDFs to steal data and potentially take over systems, with no patch yet available. Attackers have been exploiting a ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. This voice experience is generated by AI. Learn more. This ...

Threat actors have found a way to inject arbitrary JavaScript into the Flowise low-code platform for building custom LLM and agentic systems. The code injection was possible due to a design oversight, ...

A major decentralised finance (DeFi) platform has suffered a suspected exploit exceeding $270 million, with onchain data showing large volumes of assets rapidly moved to a single wallet. Blockchain ...