Tag Archives: Apple

Apple OS X Ransomware Delivered by Trojanized Transmission App

The short: A newly discovered ransomware-delivering trojan for Apple’s OS X operating system may have infected several thousand users over the weekend. The trojan, OS X.KeRanger.A, was delivered via a malicious build of the Mac OS X bittorrent client ‘Transmission’ and will begin encrypting victims’ local files today after a 3 day waiting period. This […]

Cloudmark’s 3Q 2014 Security Threat Report

This quarter we investigate knock-off designer goods pitched by way of Apple iMessage’s first major spam campaign, examine the curious patterns of sub-domains generated for by DNS resource exhaustion attack, discuss the popular Peter Pan attack, and more trends in Cloudmark’s Q3 2014 Security Threat Report. On-going since last quarter, iMessage has been hit with the […]

Celebrity Nudes and iCloud Phishing

The recent leak of celebrities personal photographs demonstrates just how weak our defenses are against determined attackers. From the internal evidence and the chatter on 4chan and Reddit, it does not look as if this was the result of a single attack or a single hacker. Various sources say that there was a ring of […]

Phishing in the iCloud and Vegas

Up noticeably this month, a new form of broader bank phishing attacks seems to be targeting various parts of the U.S. including Las Vegas where 63 percent of all reported SMS spam turns out to be bank phishing. The trend continued during the finals days of August as an average 46 percent of all reported […]

Abusing Apple’s iMessage in the Big Apple

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 […]

Cloudmark’s 2013 Annual Global Messaging Threat Report

As the Chinese New Year rings in the year of the Horse, we’re also excited to announce the release of our 2013 Annual Global Messaging Threat Report. Looking back at the year, we discuss the evolving realm of highly targeted, regional SMS spam campaigns, spammers’ preference for financial themes, Apple iMessage abuse, dramatic increases in […]

“Free iPad” Spammers Move On

In March of this year the FTC issued indictments and temporary restraining orders against a number of people and companies who they alleged were sending out SMS spam offering free gift cards, iPads, iPhones, etc. After the indictments, we saw a decline in reports of this sort of spam. According to the allegations in the […]

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