Tag Archives: SPAM

DMARC or Die

Posted on March 2, 2019 by halberenson

It’s time to get serious about adopting DMARC. Continue reading →

Posted in Computer and Internet, Microsoft, Phishing, Privacy, Security | Tagged DMARC, malware, Phishing, SPAM | 5 Comments

You can’t defeat SPAM when legitimate mail looks like SPAM!

Posted on August 4, 2012 by halberenson

One of the subtle changes in Microsoft’s new outlook.com replacement for Hotmail is that the messages about suspicious mail have changed. In Hotmail messages are simply described as suspicious, in outlook.com it is now clearly stated that the “sender failed our … Continue reading →

Posted in Computer and Internet, Phishing, Privacy, Security | Tagged authenticated mail, DKIM, Sender ID, SPAM, SPF | 8 Comments

Tumblr is back on my good side

Posted on July 5, 2012 by halberenson

In a piece I wrote a couple of weeks ago I’d brought up the problem of Tumblr hosting phishing/malicious web sites. Well after a few days of my feeding examples to Tumblr’s support team, and they taking down the sites, I haven’t … Continue reading →

Posted in Computer and Internet, Phishing, Privacy, Security | Tagged malware, Phishing, Privacy, security, SPAM, tumblr | 1 Comment

Malware or Not?

Posted on May 19, 2011 by halberenson

I’ve been doing an interesting experiment, in a virtual machine on a separate PC with no personal information at all on it. I’ve been going through SPAM emails and clicking on every link to see what happens. It is an … Continue reading →

Posted in Computer and Internet, Phishing, Security | Tagged Anti-Malware, Crazy Slots Casino, Grand Casino, IE9, Immunet, malware, Microsoft Security Essentials, Phishing, SPAM | Comments Off

SenderID Followup

Posted on May 12, 2011 by halberenson

I wanted to do a bit of a followup to my earlier SenderID post both to better capture the comments and make another observation. First I wanted to bring John Scarrow’s comment to the front of the discussion. John is … Continue reading →

Posted in Computer and Internet, Phishing, Privacy, Security | Tagged DKIM, email, Hotmail, SenderID, SPAM, SPF | Comments Off

Is Hotmail’s “Trusted Sender” feature more than just show?

Posted on May 3, 2011 by halberenson

One year ago Microsoft introduced a feature in Hotmail that marked mail from a set of “trusted senders”, primarily banks, with a Trusted Sender icon. The idea was that if mail from your bank was marked with the icon you … Continue reading →

Posted in Computer and Internet, Microsoft, Phishing, Privacy | Tagged email, Hotmail, Microsoft, Phishing, Privacy, SPAM | 2 Comments

Has Microsoft put the nail in the coffin on SenderID?

Posted on May 2, 2011 by halberenson

A funny thing happened on my way to some research on Anti-SPAM technologies, I found that Microsoft is wiping SenderID information from its website. When you try going to the web page for the SenderID Framework you are now redirected to a … Continue reading →

Posted in Computer and Internet, Microsoft, Security | Tagged DKIM, email, Microsoft, Microsoft DKIM, Microsoft Sender ID, Microsoft SenderID, Phishing, Sender ID, Sender ID vs. SPF, SenderID, SPAM, SPF | 9 Comments

Sadly, data breaches are all too common

Posted on April 3, 2011 by halberenson

After blogging about BP’s lost laptop this morning I was checking my mail and discovered a note from one of my financial institutions about a breach at bulk email sender Epsilon that impacts me. Three of the largest credit card issuers … Continue reading →

Posted in Computer and Internet, Privacy, Security | Tagged Data Breach, Epsilon, Phishing, SPAM | Comments Off