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Category Archives: Phishing

From Cradle to Grave: Targeting Child Support and Social Security with Area Codes

In 2013, we’ve seen spammers up the SMS spam ante using a potent combination of older methods. One of the techniques is to focus on specific area codes for a better return on investment (ROI). Honing in on specific area codes is by no means a new technique, but there are some interesting twists this […]

Cloudmark’s Q2 2013 Threat Report

Today, Cloudmark has released its Q2 2013 Threat Report, covering recent messaging threats and trends during the past quarter. During the second quarter, fishy dieting offers and suspiciously free cruises made a splash on the SMS side of things. Meanwhile, a substantial uptick suggests compromised web hosting accounts seem to be making waves among seedier […]

2013’s First Quarter at a Glance

With the close of 2013’s first quarter, we’ve released our Q1 2013 Global eMessaging Threat Report detailing a myriad of SMS and IP spam statistics, trends and observations from the past three months. Paramount among them is a set of allegations leveled by the Federal Trade Commission (FTC). These filings contended that the defendants were […]

Ringing the Bell for Cyber Security Awareness

October is National Cyber Security Awareness Month. In recognition of that, the National Cyber Security Alliance teamed up with the Department of Homeland Security and the security industry to sponsor the opening bell ceremony at NASDAQ. Held at 4 Times Square on Monday, October 15, the principal bell ringer was Jane Holl Lute, Deputy Secretary […]

Severe Surge in SMS Phishing Attacks

During the first week of September, Cloudmark observed a 913% increase in the volume of SMS phishing attempts, making SMS phishing currently the single largest SMS text messaging threat. The surge appears to be the result of a single set of attacks which initially started on September 4th. Thus far, attackers have used over 500 […]

DKIM Helps and Hurts Google, YouTube and SalesForce

Google has been using DKIM to improve trust in mail it sends from several of its properties for some time now. Mail from Google staffers (google.com and googlers.com), from YouTube (youtube.com), from Google Groups (googlegroups.com) and from Gmail users (gmail.com) is always signed by DKIM using those respective domains as the signer. This means we […]

Highlights from IETF 82 in Taipei

The Internet Engineering Task Force met in Taipei in mid-November. Cloudmark was in attendance, working to advance several things through the IETF processes, including a new working group that will produce protocols and advice documents relevant to reputation services (see my previous posts about DKIM and domain reputation); creation of a working group seeking advancement […]

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