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Intelligence Briefings from the War on Spam

Archive for the ‘Cloudmark’ Category

Snapchat Exploit Leads to 4.6 Million Exposed Records


Friday, January 03, 2014 by Tom Landesman

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 […]

Ten Years of CAN-SPAM


Thursday, January 02, 2014 by Andrew Conway

January 1st, 2014 marked the 10th anniversary of the CAN-SPAM Act taking force in the US. This laid down rules for bulk emailing, and provided criminal penalties for breaking them. The act was widely criticized at the time, as it still permitted unsolicited bulk emailing so long as a prior business relationship existed. In fact, […]

The Authentication Arms Race


Wednesday, December 18, 2013 by Andrew Conway

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 […]

SMS Spam Reports to 7726 Provide Evidence to Fine UK Spammer


Tuesday, December 17, 2013 by Andrew Conway

We are always happy to see legal action taken against spammers, so it was good to hear from the UK that one of the leading payday loan SMS spammers was facing a fine of £175,000 ($285,000) imposed by the Information Commissioner’s Office. We were even more pleased to see that much of the evidence for […]

Need Some Extra Cash for the Holidays?


Monday, December 09, 2013 by Andrew Conway

Please don’t try to make it with get rich quick schemes on the Internet. Work from home scams are a perennial form of email and SMS spam, making up about 4.5% of all the spam reports we see from the US (and 18% of all the spam reports that are really spam – more on […]

Mobile Spam Trends Analysis for New York City


Friday, December 06, 2013 by Tom Landesman

Spammers are in a New York state of mind. The 917 area code was in the top 20 area codes that received the highest volume of spam this year. The volume of SMS spam peaked in September, with 917 hitting the 5th spot in the nation. The area code, which encompasses all five boroughs, beat […]

2014 Message Security Predictions


Wednesday, December 04, 2013 by Neil Cook

As many start-ups are teaching us, eyeballs and information are hot commodities. As online marketers branch out, mobile messaging, in particular SMS, as a communications channel is poised to become the next email — completely saturated with legitimate businesses looking to easily connect with and market to end-users. Marketing firms won’t be the only ones […]

Rise in iMessage spam related to Luxury Goods


Monday, December 02, 2013 by Mark Stemm

Over the weekend I received my first iMessage spam. Here’s a screenshot of the spam message: After asking around at Cloudmark, lots of other people also received a similar spam message, so we decided to look in Cloudmark’s Spam Reporting Service (SRS) to see if we could quantify the scope of the attack. The Spam […]

Globetrotting Mobile Banking Trojans Show Off Their Tricks


Tuesday, November 26, 2013 by Tom Landesman

There’s no doubting it. Mobile threats around the globe are evolving. Korea was recently targeted by an Android trojan masquerading as the Google Play app that overwrites legitimate banking apps with malicious fakes poised to steal the user’s banking credentials. Over in Spain, an Android trojan has stepped in, trying to pass itself off as an […]

Happy Holiday Email (advice for email senders)


Monday, November 25, 2013 by Chris Barton

Christine Borgia from Return Path, has posted an interesting opinion poll on their blog, about holiday season sending that every email sender should pay close attention to. Given that the research was conducted discreetly it’s astonishing how the opinions of everyone on the delivery side of the ecosystem all appear to agree in terms of […]


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