email security
Cisco patches actively exploited email gateway zero-day (CVE-2026-76461)
Attackers have leveraged a zero-day SQL injection vulnerability (CVE-2026-76461) to compromise Cisco Secure Email Gateway appliances, Cisco confirmed on Monday. The …
Unpatched Zimbra servers are falling to CVE-2026-73570 attacks
At least 274 internet-facing Zimbra instances have been compromised by unknown attackers via CVE-2026-73570, the Shadowserver Foundation shared on Monday. About CVE-2026-73570 …
Product showcase: Material unifies Google Workspace email, file & OAuth defense
Here’s an uncomfortable truth: the attack that gets you won’t look like an attack. It’ll look like a normal login, a normal file share, a normal permission …
Product showcase: Guardio Mobile Security turns breach alerts into a recovery plan
Guardio Mobile Security brings several protection features to iPhone and Android, allowing users to monitor exposed personal information, identify phishing attempts, and …
Securing the inbox: Where identity, brand and security meet
Getting a verified logo to appear next to your email has traditionally meant having to work with two separate entities. You have to work with a DMARC partner for setting up …
Synology issues critical fix for MailPlus Server vulnerabilities
Synology has has fixed critical vulnerabilities in MailPlus Server, a software package used to run private email infrastructure on Synology NAS devices. The security update …
Apple is bringing Hide My Email and Sign in with Apple under one domain
Apple will unify the email domains used by Sign in with Apple and iCloud+ Hide My Email under a shared domain, private.icloud.com, later this summer. Hide My Email is a …
Proxmox releases Mail Gateway 9.1 with quarantine and backup encryption changes
Proxmox Mail Gateway 9.1 adds updated system components, changes to the spam quarantine interface, and encryption for backups. It works as a mail proxy positioned between the …
Proton Mail brings quantum-safe email encryption to all accounts
Post-quantum protection is now available as an optional feature in Proton Mail across all plans, including the free tier. How post-quantum protection works Once enabled, …
The Exchange Online security controls organizations keep getting wrong
In this Help Net Security interview, Scott Schnoll, Microsoft MVP for Exchange, breaks down the Shared Responsibility Model, where Microsoft secures the cloud while …
Gmail’s end-to-end encryption comes to mobile, no extra apps required
Google has expanded Gmail client-side encryption to Android and iOS devices, allowing users to engage with their organization’s most sensitive data on mobile devices while …
How Mimecast brings enterprise-grade email protection to API deployment
In this Help Net Security video, Andrew Williams, Senior Product Manager at Mimecast, walks through the company’s API-based email security protection for Microsoft 365 …
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