Category Archives: Cyber Security

Apple OS X Ransomware Delivered by Trojanized Transmission App

The short: A newly discovered ransomware-delivering trojan for Apple’s OS X operating system may have infected several thousand users over the weekend. The trojan, OS X.KeRanger.A, was delivered via a malicious build of the Mac OS X bittorrent client ‘Transmission’ and will begin encrypting victims’ local files today after a 3 day waiting period. This […]

Cloudmark’s Annual Global Threat Report for 2015

Cloudmark’s Annual Threat Report for 2015 is now available and covers the following topics: A look at how enterprises are trying to combat spear phishing and how well these attempts succeed or fail, according to a new survey of 300 companies How the Swizzor malware propagates by camouflaging itself to evade spam filters The risks for brands […]

Spear Phishing: The Secret Weapon Behind the Worst Cyber Attacks

To users, spear phishing emails may seem like innocent requests for information or other forms of benign contact, potentially appearing to even come from a person or company a user is friendly or familiar with. But for attackers, spear phishing emails are most often the best way to get the keys to the kingdom. Most […]

Survey Reveals Spear Phishing as a Top Security Concern to Enterprises

In 13 years of protecting hundreds of millions of end users from email and mobile spam, Cloudmark has seen billions of malicious emails, giving the company an inside view of the threats that come from messaging environments. We’ve seen the rise of phishing emails and their effects. And more recently, in the past several years, […]

Oracle: Scolding the Customers Who Try to Help Them

Oracle CSO Mary Ann Davidson’s “No, You Really Can’t” blog post provoked a strong and very negative reaction in the security community. The post has been deleted, but it’s available in various archives and was posted to the Information Security News mailing list. In summary, Davidson is complaining that Oracle customers are violating their license agreements […]

“Father of the Internet” wasn’t thinking about attacks

Last Wednesday night I had the pleasure of attending a live interview with Vinton Cerf, one of the people credited as the “Father of the Internet” for his part in co-designing the networking protocol TCP/IP and the basic architecture of the Internet. He was speaking at City Arts and Lectures in San Francisco, in conjunction […]

Cloudmark’s 2015 Q1 Global Threat Report

With articles on the rise and fall of a major spammer, the pros and cons of DNSSEC, Canada’s Anti Spam Law, ransoming your data, home router compromises, and casino advertising that went too far, Cloudmark’s Threat Report for 2015 Q1 covers the latest in the cyber threat landscape. We normally imagine that most spam sent […]

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