Cyren Security Blog

Delve into the world of cybersecurity and cybercrime as Cyren experts explore the latest threats targeting businesses, as well as industry trends and technological advances, and how these pressures, risks, and changes impact business reputation and growth.

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

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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.

Business Email Compromise (Imposter) Attacks Are Not Going Away

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Email Security Phishing Security Research & Analysis

Business email compromise (BEC) attacks have been increasing in number over the last few years, driven by their relative success rate compared to other financially motivated attacks. Learn more about these attacks with Cyren and avoid falling victim to them.

Facebook Users Hit With Coinminer Malware

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Security Research & Analysis Threat Analysis

The value of Bitcoin virtual currency just hit a new all-time high, and with it an increasing number of malware threats are targeting users to "borrow" their PC's CPU for use in mining the precious cryptocurrency, something we last wrote about in October here. Once executed, a significant spike in CPU resources can be seen by the user in the active processes list (if they look...).

Interview with a Botnet Hunter

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Botnets Security Research & Analysis

In this interview, Cyren botnet expert Geffen Tzur explains how botnets work and gives a view from the trenches on successes and challenges in fighting botnet cybercrime.

Analyst Report: Phishing Attacks Are a Business Problem, Not an IT Problem

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Phishing Security Research & Analysis

Successful phishing attacks are all over the news and a top concern for IT managers, but how do you make the business case for adding more advanced email and web security? In a new report, security industry analyst Derek Brink of the Aberdeen Group has crunched the numbers and put $$$ on the real risks and cost impact to businesses of phishing attacks, giving calculations for companies of different sizes and in different industry sectors. A complimentary copy of the report is available for free download.

Stealing Tax Refunds Soaring Worldwide

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Phishing Security Research & Analysis

There appear to be only two things that are certain in life: death and cybercriminals trying to steal your tax refund.

As governments have moved tax systems online to facilitate life for the taxpayer, refund scams using phishing and social engineering to obtain personal financial information have become epidemic, with criminals diverting any tax refund due or even gaining access to personal bank accounts to steal funds directly. This week's case study is from Malaysia.