CYREN Security Blog




Email Security Survey: 75% of Companies Hacked in Past Year

by John Callon

A new survey conducted by Osterman Research and co-sponsored by Cyren shows that 75% of businesses surveyed incurred a security breach in the past 12 months. The top two... 

Botnets rising

by Lior Kohavi

Filed under Anti-Malware, Malware Analysis, Web Security.

The year 2016 was certainly notable for Locky and the rise of ransomware, but these last months our attention has been drawn to a fundamental element of the underlying criminal cyber infrastructure—botnets.

New Threat Report: Everything you need to know about botnets

by John Callon

Filed under Anti-Malware, Cyberthreat Report, Malware Analysis, Web Security.

Cyren announces the release of the comprehensive cybersecurity report Botnets: The Clone Army of Cybercrime. This detailed look at a fundamental component of cybercrime infrastructure covers a wide range of botnet-specific topics, ranging from the basics of botnet architecture to in-depth analyses of botnet creation and evasion techniques.


Yuletide spam and shopping scams breaking records

by John Callon

Filed under Antispam, Email Security, Security Research & Analysis, Spam.

Global email traffic passing through Cyren’s cloud security operations is unfortunately reinforcing Scrooge’s initial view of Christmas, showing that Christmas-themed email is almost entirely commercial or criminal.

On Demand Webinar - Botnets: the Clone Armies of Cybercrime

by Elizabeth Daniels

Last week we hosted a webinar titled "Botnets: The Clone Armies of Cybercrime." Cyren security researchers, Avi Turiel and Geffen Tzur, discussed the history and current state of botnets and shared insights on malicious bot behavior, how to spot it, and what you can do to protect your organization.