Category Archives: Spam

U.S. SMS Phishing Attacks on the Rise this Fall

SMS Bank and account phishing in the U.S. more than tripled in September and continues as the nation’s number one category of reported SMS. However, some very notable cities such as New York City have dodged these malicious attempts at users’ financial and account details. Over the past two months, we’ve seen a sharp increase […]

Fake Pizza Hut “Free Pizza” Coupons Latest Malware Threat

Starting on October 28, we saw a new hook used to try and trick users into installing a Trojan on their computer – Free Pizza. Fans of Robert Heinlein will be familiar with the acronym TANSTAAFL – There Ain’t No Such Thing As A Free Lunch. In this case TANSTAAFPE – There Ain’t No Such […]

Android Worms And How To Prevent Them

Recently, a malware attack in China infected around 100,000 Android devices in a few days. FireEye described the attack in their blog, and christened it XXShenqi. They call it a phishing attack, but I prefer the term worm, in that infected devices sent SMS messages to the owner’s contact list attempting to convince them to […]

Black Hat 2014: Why I Hate Free Stuff

I was watching an excellent presentation by Rob Ragan and Oscar Salazar when I realized that I hate free stuff. Not of course the free stuff that I use, I’m fine with that. It’s all the free stuff that spammers and other cyber criminals exploit that ticks me off. Let me explain what Ragan and […]

Black Hat 2014: Russian Spammers Compromise 420,000 Websites

Just in time for the Black Hat convention, the New York Times is reporting the discovery by Hold Security that a team of Russian Hackers have collected a total of 1.2 billion user names and passwords from 420,000 different websites, along with 542 million email addresses. Although this dwarfs the Target breach in sheer volume, […]

How Spammers are Abusing Twitter’s t.co URL Shortener

URL shorteners such as bit.ly, goo.gl, and t.co have long been used by spammers. They provide an unlimited source of different URLs which can be used in emails to disguise the final landing page. The major companies providing this service all have anti-abuse filters in place to attempt to control this sort of malicious activity. […]

Glide video messaging app continues to generate high levels of SMS spam complaints

Earlier this year we were seeing a number of reports of SMS spam related to Glide.me, which is a mobile video messaging app. Tried video texting? http://i.glide.me/join Ready for Glide? http://i.glide.me/join Seen Glide? http://i.glide.me/join Tried video texting? http://i.glide.me/join Glide.me has had a history of spam, including where they admitted that they were spamming and would […]

Cloudmark’s 2014 Q2 Global Messaging Threat Report

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 […]

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