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Intelligence Briefings from the War on Spam

Apple SMS phishing and the iCloud

Tue, Jul 22, 2014 by Andrew Conway

Just last night, I upgraded my Mac Air to the latest release of OSX. The upgrade did not go as smoothly as most. When rebooting, my computer hung for a couple of hours with the screen saying Restarting . When I finally got bored with this and held down the power key for a hard […]

Cloudmark’s 2014 Q2 Global Messaging Threat Report

Wed, Jul 16, 2014 by Tom Landesman

Spammers and attackers in both email and SMS were quick to redouble their efforts this quarter. In our 2014 Q2 Global Messaging Threat Report, we take a look at some of these various new trends popping up around the world. Comically, email phishers were quick to exploit the Heartbleed exploit without using the exploit. Deploying […]

Abusing Apple’s iMessage in the Big Apple

Tue, Jul 15, 2014 by Tom Landesman

Last year we took a look at specific SMS spam trends affecting New York City residents and found an abundance of scams claiming the recipient had won “free” stuff. This year, however, things have gotten a bit more interesting with a wave of Apple iMessage spam that, naturally, only targets iPhone users. During the past […]

Canadian Anti Spam Law (CASL)–a good step, but not the end of spam

Thu, Jul 10, 2014 by Mark Stemm

On July 1, a new anti-spam law went into effect in Canada that significantly changes how commercial email messaging operates. The most significant feature of the Canadian Anti Spam Law (CASL) is that commercial senders must obtain express permission (i.e. opt-in) in order to continue sending commercial email. (There is a 3 year transition period […]

How to Report Text Message Spam: Samsung Galaxy S5 (TouchWiz)

Wed, Jul 02, 2014 by Tom Landesman

Plagued with annoying spam texts on your Samsung device? Report them to the GSMA spam reporting service! On most networks this can be done by forwarding them to 7726 (that’s S-P-A-M on your phone’s keypad.) Reporting these spam messages helps your mobile operator to take action against spammers and prevent further spam. Please note: while many […]

How to Report Text Message Spam: Android (KitKat, 4.4)

Wed, Jul 02, 2014 by Tom Landesman

Plagued with annoying spam texts on your Android device? Report them to the GSMA spam reporting service! On most networks this can be done by forwarding them to 7726 (that’s S-P-A-M on your phone’s keypad.) Reporting these spam messages helps your mobile operator to take action against spammers and prevent further spam. Please note: while many […]

Pinterest hit by the Com Spammers. Dr. Oz says he is not responsible.

Thu, Jun 19, 2014 by Andrew Conway

Pinterest was hit this week by a vast diet pill spam attack from a well established cyber criminal gang we call the Com Spammers. As well as attacks on social networking sites such as Pinterest, they have also been active for years in email and SMS spam. Their landing pages often contain video clips from […]

As Predicted, Ransomware is the Latest Mobile Threat

Wed, Jun 18, 2014 by Andrew Conway

Another one of Cloudmark’s predictions for 2014 has proved to be correct. Last December our CTO Neil Cook wrote: Malware has also kept up a steady migration to the mobile space with ransomware set to be a logical next step in future. In its simplest form, ransomware could simply copy sensitive information from the phone […]

Email Blacklists and Cloudmark’s Sender Intelligence (CSI)

Tue, Jun 17, 2014 by Angela Knox

Return Path Infographic Return Path recently published an infographic guide to public email blacklists.  As the infographic explains “Public email blacklists are lists of IP Addresses and domains that have been reported and listed as “known” sources of spam.” These lists are used by both large email box providers and enterprises to make decisions about […]

Cruises and Stolen Tax Returns in the Windy City

Mon, Jun 16, 2014 by Tom Landesman

We’ve seen an interesting shift in Chicago’s SMS spam over the past few months. At the start of 2014, up until mid-April, bank phishing attempts had been the dominate flavor of SMS sent unsolicited to phones in the city. However, Floridian Cruise spam has taken a big jump in numbers this spring. So far this […]


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