Wir haben hier im Cyren Security Lab das Kryptowährungs-Mining nachverfolgt und konnten einen massiven Anstieg in der Anzahl der Websites bestätigen, die „Krypto-Mining“-Skripts weltweit hosten. Auf Basis der Überwachung einer Probe von 500.000 Websites haben wir festgestellt, dass im viermonatigen Zeitraum vom letzten September bis Januar 2018 eine Erhöhung von

A warning to individuals filing taxes in the United Kingdom: Cyren has identified a tax refund phishing email that, at first glance, appears to come from HM Revenue & Customs (HMRC), the UK’s tax, payments, and customs authority. The fraudulent email tries to trick the recipient into opening a PDF

With tremendous money to be made in a short period of time, phishing has become commonplace within the cryptocurrency exchange world, particularly at the moment when a new currency comes along and debuts with its initial coin offering (ICO), an event not unlike an initial public offering with corporate stock.

Business E-Mail Compromise(BEC)-Angriffe haben in den letzten Jahren zahlenmäßig zugenommen und werden von ihrer relativen Erfolgsrate angetrieben – verglichen mit anderen finanziell motivierten Angriffen. Sie scheinen recht einfach zu sein: Der Angreifer sendet dem ausgesuchten Opfer, das für gewöhnlich ein Mitglied des Finanzteams ist, eine E-Mail und fordert es dazu

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. They appear to be quite simple – the attacker sends an email to the intended victim, usually a member of the finance team,

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

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. What defines a botnet? Doesn’t all malware “phone home”? A botnet is defined as a network of infected computers set up to perform

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

Überall wird über erfolgreiche Phishing-Angriffe berichtet. Diese stellen eine der größten Sorgen für IT-Manager dar – wie aber lässt sich der wirtschaftliche Nutzen einer zusätzlichen, fortschrittlicheren E-Mail- und Web-Security verdeutlichen? In einem neuen Bericht hat der Analyst der Security-Branche, Derek Brink von der Aberdeen Group, die Zahlen zusammengestellt und die

13.3 million Scarab ransomware emails detected in one day The new Scarab ransomware being distributed via email by the Necurs botnet appears to come from scanning devices or services like HP, Epson or Lexmark. While there are similarities to the Necurs-distributed Locky ransomware, Scarab seems to have been developed by