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Attracting more than a half-million annual readers – is the security community’s go-to destination for technical breakdowns of the latest threats, critical vulnerability disclosures and cutting-edge research.

Spammed JScript Phones Home To Download NemucodAES And Kovter

Contributed by: Gerald Carsula, Rodel Mendez and Nicholas Ramos Last June, we reported that Kovter was being spammed together with Cerber ransomware that used a fake email delivery notification. For the last few weeks another set of fake UPS delivery...

Petya Ransomware: A glimpse of the past, the present, and the future

Contributed by: Gerald Carsula, Rodel Mendez, and Nicholas Ramos Ransomware seem to be the trend now and this type of malware will no doubt continue to grow. But do you still remember in the 90's when boot viruses were the...

FakeGlobe and Cerber Ransomware: Sneaking under the radar while WeCry

Recently, we observed a constant influx of spam that distributes two ransomware families, perhaps trying to sneak in while everyone is focused with the recent WannaCry malware. Based on data from our Spam Research Database, an email campaign distributing FakeGlobe...

Bitcoin Transaction Malleability Theory in Practice – Blackhat USA 2014

***UPDATE: 10/17/2014 A demonstration of Bitcoing transaction malleability using PUSHDATA2 is now available: The demonstration was created by Daniel Chechik, Rami Kogan and Ben Hayak. *** This August we (Daniel Chechik and Ben Hayak) gave a talk at Blackhat USA...

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