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Beware the Ides of April: Tax Fraud Season in Full Gear

by John Callon

Email Security Industry Insights Malware Phishing Security Research & Analysis Web Security

Tax season means that not only are government revenue agents awaiting your company's and your employees' data and looking to settle accounts, but that cybercriminals are hard at work with a variety of cyber scams aimed at diverting tax reforms and stealing sensitive personal information.

725% increase in cryptocurrency mining threatens more than just your CPU

by Tinna Thuridur Sigurdardottir

Industry Insights Malware Security Research & Analysis

We've been tracking cryptocurrency mining activity here at the Cyren Security Lab and have confirmed a massive run-up in the number of web sites hosting cryptomining scripts globally. Discover the rate of growth acceleration and how businesses can protect themselves today.

10 Cyber Threat Terms Every IT Manager Should Know

by John Callon

Botnets Industry Insights Malware Phishing Ransomware

What's the difference between spear phishing, clone phishing, and just plain phishing? Check out the top 10 cyber threat terms every IT manager should know.

Fake Invoice Carries “Rescoms” Malware

by Maharlito Aquino and Kervin Alintanahin

Malware Threat Analysis

Emails containing malicious attachments equipped with keyloggers and screen capture capabilities are targeting businesses worldwide, with noted attacks in Asia, Russia, and the Middle East. The campaign is designed to look like it comes from real affiliates and employees working for a well-known pharmaceutical distributor in order to make the emails more convincing and lure the recipients into opening the attached document.

Locky Revived – A Roundup of New Variants

by Magni Reynir Sigurðsson

Botnets Malware Threat Analysis

Locky, the ransomware which dominated 2016 and then disappeared for the first half of 2017, has been completely rescuscitated during the past three months with a series of new variants, and demanding three times the ransom rate. A possible reason for its disappearance and reemergence was explored in a recent SecurityWeek blog by Cyren's VP of Threat Research, Siggi Stefnisson.

Bad Rabbit Ransomware is Rebuilt NotPetya

by Magni Reynir Sigurðsson

Malware Threat Analysis

Cyren confirms that Bad Rabbit ransomware is a varient of NotPetya - similar, but employing a Trojan-like tool to mine credentials from infected systems.