Tag: attachment
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The spam that is hardest to block is often the most damaging
This blog post was put together in collaboration with VB test engineers Adrian Luca and Ionuţ Răileanu. In a talk I gave at IRISSCON last year (the video of which you will find at the bottom of this post), I discussed how spam is a problem that has almost been solved (and certainly has been well…
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The spam that is hardest to block is often the most damaging
This blog post was put together in collaboration with VB test engineers Adrian Luca and Ionuţ Răileanu. In a talk I gave at IRISSCON last year (the video of which you will find at the bottom of this post), I discussed how spam is a problem that has almost been solved (and certainly has been well…
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Ransomware would be much worse if it wasn’t for email security solutions
Many experts believe that ransomware is set to become an even worse problem in 2017 than it was in 2016 — which is rather bad news, given the damage it has already done. Still, the problem could be much worse: a test of security products performed by Virus Bulletin in November/December 2016 showed that at least…
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Ransomware would be much worse if it wasn’t for email security solutions
Many experts believe that ransomware is set to become an even worse problem in 2017 than it was in 2016 — which is rather bad news, given the damage it has already done. Still, the problem could be much worse: a test of security products performed by Virus Bulletin in November/December 2016 showed that at least…
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200-fold increase in HTML-attachment spam
Cutwail botnet likely behind campaign that sends users to Phoenix exploit kit. Researchers at M86 have reported a significant increase in the amount of spam sent with malicious HTML attachments, the volume of which on some days was 200 times that on the first day of the year. HTML, the mark-up language used to create…
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Researchers find email used in RSA hack
Email with malicious attachment uploaded to online scanning service Researchers at F-Secure have managed to obtain the file used in the targeted attack against security vendor RSA back in March. At the time, RSA was admirably open about the attack and explained that one of its employees had received a targeted email containing a malicious…
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Explosive growth of malicious spam
Spam filters less likely to block current malware campaigns. While several reports show that the global levels of spam have seen a steady decline over the past year, this month has seen a spike in the number of spam messages with malicious attachments, security firm M86 reports. Using well-known tricks to deceive users, including subject…
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Spammers use unicode trick to manipulate file names
Windows executable appears to be Word document. An unicode trick that reverses the order of some characters has been used by spammers to disguise malicious attachments as harmless file types. Unicode enables the representation on computer screens of a very large and still growing number of alphabets, together with many special characters. Among this latter…