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32571 result(s) for "Email security" — best match first.

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The security stories that matter, explained by our team — with the concrete steps to take.

Latest headlines from security outlets

Collected every two hours from specialised publications — each link leads to the original article.

BleepingComputer
BleepingComputer Vulnerabilities

Tailscale warns of SSH flaws allowing root privilege escalation

The Tailscale security team is working to patch almost a dozen security vulnerabilities that could be exploited to steal credentials, crash servers, gain root …

The Hacker News
The Hacker News Vulnerabilities

CISA Confirms Active Exploitation of Two PHP2Shell Flaws Enabling Remote Code Execution

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday confirmed active exploitation of the recently patched PHP2Shell flaws by adding them…

PHP

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 43 perl-Plack Update Fixes Request Handling Issues

A number of security issues were found in the Plack stack: SECURITY Fix memory leak of every request env in Plack::Middleware::Recursive (CVE-2026-110333) Plac…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 43 Plack Middleware Fixes Memory Leak and Path Issues

A number of security issues were found in the Plack stack: SECURITY Fix memory leak of every request env in Plack::Middleware::Recursive (CVE-2026-110333) Plac…

Linux

The Hacker News
The Hacker News Breaches & leaks

Microsoft 365 Token-Replay Attacks Compromise 97 Accounts at 79 Organizations

Cybersecurity researchers have disclosed a Microsoft 365 campaign that has been observed leveraging an adversary-in-the-middle (AitM) relay to capture sign-in …

Microsoft 365

The Hacker News
The Hacker News

Malicious File in Downloads Folder Tries to Trick AI Coding Agent Into Installing Malware

A malicious instruction file sitting in a developer's Downloads folder tried to make their AI coding agent install a known-malicious npm package, security firm…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 43 Nix 2.31.6 Fixes High- and Moderate-Severity Issues

Update to 2.31.6 which addresses: CVE-2026-110450 (High, https://github.com/NixOS/nix/security/advisories/GHSA- jwvx-xq5j-gc56) and other Moderate issues: see …

Linux GitHub

The Hacker News
The Hacker News Breaches & leaks

Researchers Push Over 2 Million Updates to Remotely Disable Popcorn Time Updater That Could Fuel a Botnet

Between November 2025 and March 2026, the Dutch security firm Eye Security pushed more than 2 million updates to computers it did not own to switch off a backg…

The Hacker News
The Hacker News Vulnerabilities

CISA Flags Two Actively Exploited Critical Flaws in Collabora Online and Arista VeloCloud

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added two vulnerabilities impacting Collabora Online Built-in CODE Server and Arista…

The Hacker News
The Hacker News Breaches & leaks

ThreatsDay: AI Secrets Leak, PingCAP Source Theft, Signal Hang-Up Flaw, Laravel Auth Bypass + 21 More

This week has already been rough for cybersecurity. Critical PHP and GitLab RCE flaws, serious Linux security bugs, compromised eMudhra certificates, a Node.js…

Linux PHP GitLab

BleepingComputer
BleepingComputer Vulnerabilities

Amazon says PHP2Shell exploitation began 4 days before patches

Security researchers at Amazon Threat Intelligence say attackers began targeting the PHP2Shell flaws four days before security patches were released on Wednesd…

AWS

BleepingComputer
BleepingComputer Breaches & leaks

CISA: Hackers chain Plex flaws in Plex2Shell attacks to breach servers

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning that attackers are actively exploiting four vulnerabilities in Plex Media Server.…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 Fixes DoS in perl-ExtUtils-Typemaps-Default 1.07

Update to 1.07 Security fix for CVE-2026-107373 Security fix for CVE-2026-107794

Linux

BleepingComputer
BleepingComputer Vulnerabilities

PHP ships emergency patches for critical PHP2Shell flaws

The PHP security team released emergency security patches for two critical remote code execution (RCE) vulnerabilities (CVE-2026-109618 and CVE-2026-109619) tr…

PHP

The Hacker News
The Hacker News

China-Aligned Bronze Sandcastle Abuses Sandboxie DLL Sideloading to Deploy Backdoors

Cybersecurity researchers have disclosed details of a previously undocumented China-aligned threat cluster known as Bronze Sandcastle that has been observed ta…

The Hacker News
The Hacker News

Generative AI Is Erasing Behavioral Tells, Weakening Behavior-Only Detection, Proofpoint Reports

Generative AI has changed what a malicious email looks like. Messages that once gave themselves away through clumsy wording, generic pretexts, and reused templ…

BleepingComputer
BleepingComputer Breaches & leaks

CISA: SafePay ransomware hit over 600 critical infrastructure orgs

The Cybersecurity and Infrastructure Security Agency (CISA) says the SafePay ransomware gang has breached over 600 critical infrastructure organizations worldw…

The Hacker News
The Hacker News

U.S. Orders DeepSeek Removed From Federal Civilian Systems, Bans New Purchases

U.S. federal civilian agencies must remove DeepSeek products from their information technology systems, along with any third-party products or services "develo…

The Hacker News
The Hacker News Vulnerabilities

CISA Orders Federal Agencies to Patch Exploited Plex2Shell, Siemens, and SiteGuard Flaws

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added four vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, in…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 43 bind-dyndb-ldap Update Fixes DNS and DNSSEC Issues

Security updates using git snapshot Release 9.18 is end-of-life upstream. Apply security fixes including medium CVEs from somehow maintained git branch bind-9.…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 43 BIND Update Fixes DNSSEC and Resolver Threats

Security updates using git snapshot Release 9.18 is end-of-life upstream. Apply security fixes including medium CVEs from somehow maintained git branch bind-9.…

Linux

BleepingComputer
BleepingComputer Breaches & leaks

PHP warns admins of two critical flaws, emergency patches coming tomorrow

The PHP security team is warning administrators to prepare for emergency security updates tomorrow to address two critical vulnerabilities, as information abou…

PHP

The Hacker News
The Hacker News Vulnerabilities

Critical FortiSIEM Flaw Gets Public Exploit PoC for Unauthenticated Remote Code Execution

Cybersecurity researchers have released a proof-of-concept (PoC) exploit for a recently patched critical security flaw impacting Fortinet FortiSIEM that could …

Fortinet

DataBreaches.net
DataBreaches.net

U.S. bans DeepSeek from government agency systems amid AI rift with China

Jenny Lee reports: The Trump administration banned Chinese AI startup DeepSeek from civilian U.S. government agencies, citing security concerns. The Department…