Opsec Cyber July 2021 - Page 2 of 15

Hiding Malware in ML Models

July 27 2021 By Bruce Schneier in machine learning, Malware, Security

Interesting research: “EvilModel: Hiding Malware Inside of Neural Network Models”.

Abstract: Delivering malware covertly and detection-evadingly is critical to advanced malware campaigns. In this paper, we present a method...
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PlugwalkJoe Does the Perp Walk

July 26 2021 By BrianKrebs in Ne'er-Do-Well News, Security

One day after last summer's mass-hack of Twitter, KrebsOnSecurity wrote that 22-year-old British citizen Joseph "PlugwalkJoe" O'Connor appeared to have been involved in the incident. When the Justice Department...

Windows “PetitPotam” network attack – how to protect against it

July 26 2021 By Paul Ducklin in Microsoft, Security, Vulnerability, Windows

A cute name but an annoying and potentially damaging attack. Here's what to do.

Disrupting Ransomware by Disrupting Bitcoin

July 26 2021 By Bruce Schneier in Bitcoin, crime, Cybercrime, Ransomware, Security

Ransomware isn’t new; the idea dates back to 1986 with the “Brain” computer virus. Now, it’s become the criminal business model of the internet for two reasons. The...

Friday Squid Blogging: The Evolution of Squid

July 23 2021 By Bruce Schneier in Security, squid

Good video about the evolutionary history of squid. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. Read...

Biden Administration Responds to Geopolitical Cyber Threats

July 23 2021 By Syndicator in Security

In response to growing concerns regarding the recent uptick in large-scale, nation-state-backed ransomware attacks on critical infrastructure, the Biden administration is taking new action to tackle the evolving challenges...