Category Archives: Phishing

55 Companies and Counting – W-2 Spear Phishing Attacks Continue to Increase

Since January, at least 55 companies have announced that they had fallen victim to a highly tailored spear phishing scheme. This scheme is responsible for stealing and compromising the W-2 U.S. tax records of every employee working for these companies during 2015. In previous years, we saw similar trends in SMS fraud targeting consumers with […]

Cloudmark’s Annual Global Threat Report for 2015

Cloudmark’s Annual Threat Report for 2015 is now available and covers the following topics: A look at how enterprises are trying to combat spear phishing and how well these attempts succeed or fail, according to a new survey of 300 companies How the Swizzor malware propagates by camouflaging itself to evade spam filters The risks for brands […]

Spear Phishing: The Secret Weapon Behind the Worst Cyber Attacks

To users, spear phishing emails may seem like innocent requests for information or other forms of benign contact, potentially appearing to even come from a person or company a user is friendly or familiar with. But for attackers, spear phishing emails are most often the best way to get the keys to the kingdom. Most […]

Survey Reveals Spear Phishing as a Top Security Concern to Enterprises

In 13 years of protecting hundreds of millions of end users from email and mobile spam, Cloudmark has seen billions of malicious emails, giving the company an inside view of the threats that come from messaging environments. We’ve seen the rise of phishing emails and their effects. And more recently, in the past several years, […]

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 […]

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 […]

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 […]

Cruises and Stolen Tax Returns in the Windy City

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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