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Latest coverage for Email

Stay secure with the latest email security updates, best practices, and threat alerts to protect your inbox and sensitive information.

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Email is a system for exchanging digital messages, typically using mail servers and clients over a network. In security, it includes both the messages and the accounts, servers, domains, and authentication mechanisms that handle them. Email commonly carries phishing links, malicious attachments, and fraudulent requests for payments or credentials; compromised accounts can also be used to impersonate trusted people and conduct further attacks.

Defenses include filtering and malware scanning, phishing-resistant multifactor authentication, careful handling of links and attachments, and monitoring for unusual login or sending activity. Domain controls such as SPF, DKIM, and DMARC help receiving systems detect messages that are forged or sent without authorization, while encryption protects message contents in transit or at rest when correctly implemented. Security teams should preserve relevant headers and mailbox activity so suspicious messages can be investigated, removed, and used to identify affected accounts and other recipients.

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Showing 13 most recent headlines Filtered view

Progress urged ShareFile Storage Zone customers to shut down internet-facing servers immediately over a credible security threat under investigation. Progress Software sent an urgent email to ShareFile customers the evening of July 10 with a subject line that left no room for ambiguity: “Service Disruption. Immediate Action Required.” The company told customers running Storage Zone […]

Security Affairs 13 Jul 2026, 2:39 a.m. Incident · 7 stories Email Investigation Outage Shut Down

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. U.S. CISA adds iCagenda and Balbooa Forms flaws to its Known Exploited Vulnerabilities catalog Critical U-Boot […]

Security Affairs 12 Jul 2026, 4:58 p.m. Theme · 7 stories America CISA Email Flaw Vulnerability

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. U.S. Government Agency Paid $1M to Data Extortion Group Kairos FBI: TeamPCP Compromised Dev Tools to […]

Security Affairs 5 Jul 2026, 5:07 p.m. Theme · 7 stories America Compromise Email Extortion FBI Government

KDDI Corporation disclosed a breach affecting up to 14.2 million email accounts after attackers exploited a vulnerability in third-party software. KDDI Corporation disclosed a data breach that exposed up to 14.2 million email accounts across six Japanese internet service providers. KDDI Corporation is one of Japan’s largest telecommunications companies. It employs more than 60,000 people […]

Security Affairs 29 Jun 2026, 7:11 a.m. Breach Disclosure Email Exposure Japan Service Provider Vulnerability

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. New FBI Alert: Russian Intelligence Uses Signal Recovery Keys to Access Messages Hospitality Sector Hit by […]

Security Affairs 29 Jun 2026, 3:29 a.m. Theme · 7 stories Email FBI Russia

FortiBleed: Admin Passwords for 75,000 Fortinet Firewalls Are Out in the Wild. Half the Internet-Facing Fortinets on the Planet. Security researcher Bob Diachenko found a server sitting open on the internet containing what appeared to be valid Fortinet VPN credentials, including usernames, email addresses, and plaintext passwords for tens of thousands of organizations. He posted […]

Security Affairs 18 Jun 2026, 7:31 p.m. Incident · 2 stories Credentials Email Firewalls Fortinet Passwords VPN

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. Washington Pulled the Plug on Anthropic ‘s Fable 5 and Mythos 5 models. The Rest of […]

Security Affairs 15 Jun 2026, 1:03 a.m. Theme · 7 stories Artificial Intelligence Email

A flaw in Meta’s AI-powered Instagram recovery tool exposed over 20,000 accounts, letting attackers reset passwords and take over profiles. Meta’s High Touch Support tool, known as HTS, was designed to help Instagram users recover locked accounts: you provide an email address, you get a password reset link. The flaw was equally simple: the tool […]

Security Affairs 8 Jun 2026, 9:33 p.m. Incident · 6 stories Artificial Intelligence Email Exposure Flaw Passwords Social Media

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. U.S. CISA adds SolarWinds Serv-U flaw to its Known Exploited Vulnerabilities catalog Report: Anthropic Deploys Engineers […]

Security Affairs 8 Jun 2026, 2:39 a.m. Theme · 7 stories America Artificial Intelligence CISA Email Flaw Report SolarWinds Vulnerability

Researchers uncovered a 230-node cloud-based email relay network after the actor PCPJack accidentally exposed tools, logs, and C2 files online A threat actor tracked as PCPJack compromised 230 cloud servers across Amazon Web Services, Google Cloud, and Microsoft Azure and turned them into a covert email relay network. Hunt.io researchers discovered the operation because PCPJack […]

Security Affairs 5 Jun 2026, 10:19 p.m. Incident · 2 stories Amazon (company) Amazon Web Services Azure Cloud Compromise Email Exposure Google Microsoft Research Threat Actor

Attackers exploited Meta’s AI support chatbot to reset Instagram passwords and hijack accounts without accessing victims’ email inboxes. Attackers abused Meta’s AI-powered support chatbot to reset Instagram passwords and hijack accounts without accessing victims’ email inboxes. The issue affected several users, including high-profile accounts, before Instagram fixed the flaw. Security researcher Jane Wong and other […]

Security Affairs 3 Jun 2026, 4:32 a.m. Incident · 6 stories Artificial Intelligence Email Fixed Flaw Passwords Social Media Victims

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. ShinyHunters Leaks Charter Communications Data, Potentially Impacting 5 Million Customers Signal Phishing Campaign Targets Journalists and […]

Security Affairs 1 Jun 2026, 2:32 a.m. Theme · 7 stories Email Journalist Leak Phishing

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. CVE-2026-9082: Drupal’s Highly Critical SQL Injection Flaw Is Already Under Active Attack Why pure extortion is […]

Security Affairs 24 May 2026, 11:51 p.m. Theme · 7 stories Actively exploited CVE-2026-9082 CVE Email Extortion Flaw SQL