Cisco has fixed a critical severity vulnerability that lets attackers add new users with root privileges and permanently crash Security Email Gateway (SEG) appliances using emails with malicious ...

Cisco disclosed that a China-linked hacking group exploited a previously unknown vulnerability in its email security products, allowing attackers to compromise systems that sit at the center of ...

The company suffered one sophisticated five-alarm campaign and one messy spray-and-pray attack, mere days apart.

From vendors offering code security tools to those protecting inboxes and websites against attacks, here’s a look at 20 key companies in web, email and application security. As hackers continue to ...

Researchers at Google LLC-owned cybersecurity firm Mandiant today warned that alleged Chinese attackers have and are continuing to target a zero-day vulnerability in Barracuda Networks Inc. devices ...

Here is a look at how messaging-security gateways work. The same gateway can be used for outbound message delivery, usually with a slightly different set of security controls in place (often filtering ...

Cisco notified customers this week to patch a critical vulnerability that could allow attackers to bypass authentication and login into the web management interface of Cisco email gateway appliances ...

Security researchers have found inconsistencies in how some Simple Mail Transfer Protocol (SMTP) servers handle end-of-data sequences. This allows the injection of SMTP commands into email messages in ...

K-12 districts across the country are only just recovering from the disruption of the pandemic, where administrators were tasked with deploying remote environments with unprecedented urgency. These ...

The Mi5 acquisition allows Symantec to integrate streaming technology that closely inspects both inbound and outbound traffic, company executives said. Meanwhile, the purchase also fulfills a valuable ...