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. [...]

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. [...]

Crypto-powered gift card store Bitrefill says that the attack it suffered at the beginning of the month was likely perpetrated by North Korean hackers of the Bluenoroff group. [...]

The FBI has seized two websites used by the Handala hacktivist group after the threat actors conducted a destructive cyberattack on medical technology giant Stryker that wiped approximately 80,000 devices. [...]

Microsoft's original Secure Boot certificates from 2011 begin expiring in June 2026. Windows devices that still rely on these certificates will no longer receive security updates for boot components, leaving them out of compliance. To address this, Microsoft is rolling out new 2023 certificates for the UEFI Secure Boot Signature Database (DB). Administrators can deploy these certificates to domain-joined machines using Group Policy, PowerShell, or the Windows Configuration System (WinCS). This article covers the technical background, the registry-based deployment mechanism, and Microsoft's sample automation framework for enterprise rollouts.

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Hackers part of APT28, a state-backed threat group linked to Russia's military intelligence service (GRU), are exploiting a Zimbra Collaboration Suite (ZCS) vulnerability in attacks targeting Ukrainian government entities. [...]

Password resets are often weaker than login security, making them a prime target for privilege escalation. Specops Software explains how attackers abuse reset workflows and how to secure them. [...]

Ubiquiti has patched two vulnerabilities in the UniFi Network Application, including a maximum-severity flaw that may allow attackers to take over user accounts. [...]

CISA warned U.S. organizations to follow Microsoft guidance to strengthen the Intune endpoint management tool after a cyberattack exploited it to wipe medical technology giant Stryker's systems. [...]

A new Android malware called Perseus is checking user-curated notes to steal  sensitive information, like passwords, recovery phrases, or financial data. [...]

Identity protection company Aura has confirmed that an unauthorized party gained access to nearly 900,000 customer records containing names and email addresses. [...]