Category Archives: Online Security

The Impact of Shellshock

Shellshock has been getting a lot of press as the worst security bug ever, but while it is terribly embarrassing for the open source movement, I believe the real world impact will be fairly limited. The bug is a fundamental flaw in bash, the command line interface on most Linux and Mac machines. (For once […]

Defcon 2014: How should home routers get secured?

The risk posed by vulnerable home internet routers was a common theme at this year’s Black Hat and DEF CON conferences. These devices are becoming notorious for having security vulnerabilities, which often go unpatched. The SOHOpelessly Broken contest at DEF CON provided a dramatic demonstration of these flaws, as contestants attacked consumer-grade routers and quickly broke into them. But […]

Anti-Virus the Cloudmark way

Symantec is now admitting that traditional anti-virus solutions are losing the war against computer malware, according to a recent article in the Wall Street Journal. “Antivirus is dead,” says Brian Dye, Symantec’s senior vice president for information security. . . . hackers increasingly use novel bugs. Mr. Dye estimates antivirus now catches just 45% of […]

Snapchat Exploit Leads to 4.6 Million Exposed Records

Snapchat may have had less than a happy New Year thanks to the authors of SnapchatDB.info. The site, released on December 31, features approximately 4.6 million Snapchat users’ username, phone number, and area-code-derived geographical region. These records were collected using an exploit published by Gibson Security who has been exploring the undocumented Snapchat API for […]

The Authentication Arms Race

At Cloudmark, we have long recognized that we are in an arms race against the spammers. Spammers are continually trying to come up with new techniques for getting through our spam filters, and we are constantly monitoring their activities and staying one step ahead. It seems that the same thing is now happening in the […]

Cloudmark’s Q2 2013 Threat Report

Today, Cloudmark has released its Q2 2013 Threat Report, covering recent messaging threats and trends during the past quarter. During the second quarter, fishy dieting offers and suspiciously free cruises made a splash on the SMS side of things. Meanwhile, a substantial uptick suggests compromised web hosting accounts seem to be making waves among seedier […]

How to stop spammers mining your Facebook profile

Techcrunch reported this week that an app developer had downloaded thousands of phone numbers from active Facebook accounts.  This technique has been around for a while and Cloudmark has seen it used by spammers to harvest email addresses and phone numbers, and to make both email and SMS spam more personal and more convincing. The […]

Learn More About Cloudmark
Our Products
News and Events
Site Map  •  Privacy Policy  •  ©2002–2014 Cloudmark, Inc.