Category Archives: Online Security

How to stop spammers mining your Facebook profile

Techcrunch reported this week that an app developer had downloaded thousands of phone numbers from active Facebook accounts.  This technique has been around for a while and Cloudmark has seen it used by spammers to harvest email addresses and phone numbers, and to make both email and SMS spam more personal and more convincing. The […]

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 […]

URL Redirection Abuse

It’s great to see Twitter taking the lead on the URL shortener security. Twitter acquired Dasient earlier in the year and it’s refreshing to see them being put into action securing the t.co linkage and what’s more t.co is now going to front more and more links seen in the service. Further reading: http://www.telegraph.co.uk/technology/twitter/9883076/Twitter-shortens-tweets-by-two-characters.html Since […]

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 […]

Justice for the ‘Secret Crush’ spammer?

 “You Have 1 unread message from your secret crush…” “Someone thinks you’re hot!” “Someone sent you a weird diet tip that works.” New York state Attorney General Eric T. Schneiderman‘s office were responsible for the settlement in the case against Game Theory LLC that resulted in fines of $500,000 and a prohibition on the deceptive […]

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 […]

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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