Tag: dmarc
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DMARC: an imperfect solution that can make a big difference
US Senator Ron Wyden has written a letter ( pdf ) to the Department of Homeland Security, urging the US government to implement DMARC to “ensure hackers cannot send emails that impersonate federal agencies”. DMARC is an email security standard that was launched by a few major players in the field of email in 2012…
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DMARC: an imperfect solution that can make a big difference
US Senator Ron Wyden has written a letter ( pdf ) to the Department of Homeland Security, urging the US government to implement DMARC to “ensure hackers cannot send emails that impersonate federal agencies”. DMARC is an email security standard that was launched by a few major players in the field of email in 2012…
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TorrentLocker spam has DMARC enabled
Use of email authentication technique unlikely to bring any advantage. Last week, Trend Micro researcher Jon Oliver (who presented a paper on Twitter abuse at VB2014) wrote an interesting blog post about a spam campaign that was spreading the ‘TorrentLocker’ ransomware and which, unusually, was using DMARC. TorrentLocker is one of the most prominent families…
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VB2014 paper: DMARC – how to use it to improve your email reputation
Terry Zink presents case study in which he describes setting a DMARC policy for Microsoft. Over the next few months, we will be sharing VB2014 conference papers as well as video recordings of the presentations. Today, we have added ‘DMARC – how to use it to improve your email reputation’, by Microsoft’s Terry Zink. Email…
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AOL spam spreads ‘NotCompatible’ Android trojan
AOL responds by following Yahoo! in setting strict DMARC policy. This week, #AOLhacked has become a popular hashtag on Twitter : many AOL users are using it to complain that their email address had been sending spam to their contacts. Those who click the link in the emails – never a wise thing to do…
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Yahoo’s DMARC policy wreaks havoc among mailing lists
Collateral damage in instruction to reject emails with invalid DKIM signatures. A change in Yahoo ‘s DMARC policy has caused frustration among operators of many mailing lists and their subscribers. On its official website , DMARC is described as standardizing “how email receivers perform email authentication using the well-known SPF and DKIM mechanisms”. It was…
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At least 99.4% of spam blocked in recent Virus Bulletin test
All solutions on test blocked at least 99.4% of spam, but some struggled with false positive issues; survey also shows few products support DMARC. The results of the most recent VBSpam spam filter test show that all 18 of the solutions tested blocked at least 99.4% of all spam – although some struggled with false…