Cyren Security Blog

Ransomware-as-a-Service Is Making Crime Easy

by John Callon

Anti-Malware Email Security Ransomware Web Security

It shouldn’t surprise anybody to learn that cybercriminals are taking their lead from some established business service models. We wrote about …

Best Practices for Stopping Ransomware

by John Callon

Anti-Malware Malware Analysis Web Security

With the recent return of Locky and continued growth of ransomware and ransomware-as-a-service, there is a good chance you personally know an …

Trickbot Banking Trojan Making Phishing More Real

by Igor Glik & Magni Reynir Sigurðsson

Anti-Malware Email Security Malware Analysis Phishing

Trickbot is back, new and improved, and was found targeting customers of Lloyds Bank of the UK last week in a renewed phishing campaign intended …

Self Defense: How to Detect A Botnet on Your Network

by John Callon

Anti-Malware Malware Analysis Web Security

The ratio expressed in the saying “an ounce of prevention is worth a pound of cure” is off by several magnitudes when applied to Internet security. …

Build, buy, or lease? The 15-minute botnet

by Avi Turiel

Anti-Malware Malware Analysis Web Security

Becoming an Internet criminal is getting easier and easier. With only a few hundred dollars in hand and an Internet connection, anyone can obtain …

Petya Ransomware Spreading Fast With Same WannaCry Exploit

by Magni Reynir Sigurðsson

Anti-Malware Email Security Ransomware Security Research & Analysis Web Security

The Petya ransomware outbreak spreading fast today is using ETERNALBLUE, the same exploit used in the WannaCry ransomware attack in May, which was …