Category Archives: Phishing

Milwaukee Bucks Fall Victim to W-2 Spear Phishing

Earlier this morning the Milwaukee Bucks announced that their organization had become the recent victim of a W-2 spear phishing attack. Crooks managed to extort the Buck’s 2015 tax records for every employee, including players. Similar to a number of incidents we’ve detailed in the past, attackers impersonated the organization’s CEO (or in this case […]

Cloudmark’s Security Threat Report, 2016 Q1

Cloudmark’s Security Threat Report for Q1 of 2016 is now live. This quarter we cover: Characteristics of and methods used in script-based Locky ransomware attacks The Locky family’s explosion onto ransomware scene in Q1 due to aggressive distribution A look at the regions most impacted by Locky Analysis of Locky attacks sent to Japan, the […]

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 […]

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