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The Phishing Issue: From Targeted Attacks to Evasive Phishing

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A New Vision for Phishing Defense: Inbox Detection & Response

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Selecting and Integrating Real-Time Cloud Threat Intelligence

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Internet security that protects at cloud speed

Widest cloud visibility

By analyzing billions of daily transactions, Cyren achieves unparallelled threat visibility.

Always up to date

As a cloud-native solution, Cyren is always up to date, ensuring you're always protected.

Cross-vector

Full coverage of all internet threat vectors including web, email, and DNS.

Cross-geo

Comprehensive view of global traffic ranging across geographies, languages, and protocols.

Real-time

Leverage big data analytics, AI, and machine learning to identify even the most evasive threats.

Architected for cloud scale

Unknown Threat Detection

  • Cyren proprietary detection engines leveraging big data analytics, advanced heuristics, recurrent pattern detection, behavioral sandboxing, and machine learning technologies
  • Single-pass streaming architecture applies multiple detection techniques in parallel
  • Fully automated real-time threat identification with zero human intervention
  • Multi-vector threat analysis across web, DNS, email, and files
  • Distributed, massively scalable, fault tolerant

Recent blog posts

Protect From Evasive Phishing with Email Security Defense-in-Depth

by John Callon

Email security is broken. Companies are attempting to defend against today’s sophisticated attacks using technology developed to block spam and malware.

In the late 1990s, spam had become a serious problem and propagation of malware by email started to increase. In response, email security software was created. The popular open source spam filtering software, SpamAssassin, was first made available in 2001. It included various detection techniques, such as Bayesian filtering, IP reputation and blocklists. The Secure Email Gateway (SEG), a product category that came into being in the early 2000s, still uses these techniques today.

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Emotet Still Evolving—New Variants Detected

by Maharlito Aquino and Kervin Alintanahin

Emotet malware campaigns continue to evolve, below we share a breakdown of samples of two new malicious downloader variants that appeared toward the end of January, as can be seen in this chart of the samples detected by Cyren per day during the month of January. We list IOCs and payload detections for each below.

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Top 20 Brands Targeted for Yuletide Phishing

by Duncan Mills

Internet platforms, financial sites, and shopping brands are still the most popular targets for phishing, according to new research from the Cyren Security Lab.

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Exploiting CAPTCHA: The Latest Evasive Phishing Tactic

by Duncan Mills

The Completely Automated Public Turing test to tell Computers and Humans Apart (CAPTCHA) has been used in commercial applications since the early 2000s. As its name suggests, it is a mechanism for ascertaining that a real, live human is performing an action at a web site. CAPTCHA is generated by distorting letters and numbers in such a way that a computer using OCR cannot resolve it. Typical applications were originally centered on authentication. For example, if you enter an incorrect password multiple times, you might be presented with a CAPTCHA to ensure that a bot is not attempting to brute force a login. Today there are other applications, such as preventing bots automatically posting good product reviews to falsify scores on review sites. 

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