Category Archives: 7726

How to Report Text Message Spam: iOS7 iPhone

Plagued with annoying spam texts on your iPhone? 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 mobile […]

Your spam reports to 7726 shut down a UK SMS spammer

The ICO (Information Commissioners Office), a UK regulator, raided the premises of a SMS spammer today, successfully confiscating equipment and SIM cards used in the spam attacks. The GSMA Spam Reporting Service, powered by Cloudmark, which has been provided to the four main UK Mobile operators (EE, Vodafone, Telefonica O2 & 3) for just under […]

Twenty Years of Spam

April 12th is the 20th anniversary of the first large scale commercial spam – the infamous “Green Card Lawyers” message that was posted to every newsgroup on Usenet News (right). Though there were attempts at spamming starting as early as 1978, they went out to hundreds of users rather than the hundreds of thousands that […]

SMS Phishers Exploit Twilio and ow.ly to Steal Mobile Account Logins

Via the GSMA Spam Reporting Service, we’ve been receiving reports of an SMS phishing attack aimed at the customers of several large mobile providers in the US. And in an unusual twist, the phishers are trying to evade anti-abuse services by showing their malicious content only to mobile users. More than a quarter of a million mobile users. The […]

Guatemalan scammers taking lessons from Nigeria?

When it comes to exports and Guatemala, we generally think coffee. However, while poring over our Mobile messaging data, we discovered another Guatemalan export: Nigerian-style scam campaigns. Over the past two to three years, mobile phone users in the USA have been receiving SMS messages, originating in Guatemala, informing them that they have won a […]

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 […]

Rise in iMessage spam related to Luxury Goods

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 […]

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