Microsoft is working to address an ongoing service issue that has intermittently prevented some users from accessing their cloud-based Exchange Online mailboxes via Outlook mobile and Mac desktop clients since Thursday. [...]

The U.S. Federal Bureau of Investigation (FBI) warned network defenders that Iranian hackers linked to the country's Ministry of Intelligence and Security (MOIS) are using Telegram in malware attacks. [...]

CISA ordered U.S. government agencies to patch three iOS vulnerabilities targeted in cryptocurrency theft and cyberespionage attacks using the DarkSword exploit kit. [...]

Microsoft has released an emergency update to address a major issue that breaks sign-ins with Microsoft accounts across multiple Microsoft apps, including Teams and OneDrive. [...]

An information stealer called VoidStealer uses a new approach to bypass Chrome's Application-Bound Encryption (ABE) and extract the master key for decrypting sensitive data stored in the browser. [...]

The Trivy vulnerability scanner was compromised in a supply-chain attack by threat actors known as TeamPCP, which distributed credential-stealing malware through official releases and GitHub Actions. [...]

Google has announced a new mechanism in Android called Advanced Flow that will allow sideloading APKs from unverified developers for power users in a more secure way. [...]

Microsoft Azure Monitor alerts are being abused to send callback phishing emails that impersonate warnings from the Microsoft Security Team about unauthorized charges on your account. [...]

The FBI has issued a public service announcement warning that Russian intelligence-linked threat actors are actively targeting users of encrypted messaging apps such as Signal and WhatsApp in phishing campaigns that have already compromised thousands of accounts. [...]

Oracle has released an out-of-band security update to fix a critical unauthenticated remote code execution vulnerability in Identity Manager and Web Services Manager tracked as CVE-2026-21992. [...]

An international law enforcement action called Operation Alice has shut down over 373,000 dark web sites that offered fake CSAM packages. [...]

The Cybersecurity and Infrastructure Security Agency (CISA) has ordered federal agencies to patch a maximum-severity vulnerability, CVE-2026-20131, in Cisco Secure Firewall Management Center (FMC) by Sunday, March 22. [...]

Geopolitical tensions are driving destructive cyberattacks designed to disrupt operations, not demand ransom. CISOs must limit lateral movement and contain breaches to reduce the impact of wiper campaigns. [...]

North Carolina musician Michael Smith has pleaded guilty to collecting over $10 million in royalty payments through a massive streaming royalty fraud scheme on Spotify, Apple Music, Amazon Music, and YouTube Music. [...]

Authorities from the United States, Germany, and Canada have taken down Command and Control (C2) infrastructure used by the Aisuru, KimWolf, JackSkid, and Mossad botnets to infect Internet of Things (IoT) devices. [...]

Microsoft says the March Windows 11 update breaks sign-ins with Microsoft accounts across multiple Microsoft apps, including Teams and OneDrive. [...]

A North Carolina man was found guilty of extorting a D.C.-based technology company while still being employed as a data analyst contractor. [...]

Navia Benefit Solutions, Inc. (Navia) is informing nearly 2.7 million individuals of a data breach that exposed their sensitive information to attackers. [...]

A newly disclosed vulnerability dubbed 'PolyShell' affects all Magento Open Source and Adobe Commerce stable version 2 installations, allowing unauthenticated code execution and account takeover. [...]