Sophos Archives - Cyber Security Minute

The Defense Window is Closing: Why Declining Dwell Times Is Concerning

Issued by: CSO Online

While ransomware still dominates the threat landscape, recent Sophos research finds attacker dwell time decreased in 2022, from 15 to 10 days, for all attack types. For ransomware cases, the dwell time decreased from 11 to 9 days, while the decrease was even greater for non-ransomware attacks. The dwell time for the latter declined from…

Malware & Threats

The Ransomware Crisis Deepens, While Data Recovery Stalls

Issued by: Dark Reading

When it comes to ransomware, more companies are seeing attacks and have had data encrypted, according to research out this week. And even though more companies are backing up or paying ransom demands, less data was recovered in 2021 compared with the previous year. For instance, in its “State of Ransomware 2022” report, cybersecurity firm…

Vulnerabilities

Google fixes another Chrome zero-day exploited in the wild

Issued by: Help Net Security

For the third time in a year, Google has fixed a Chrome zero-day (CVE-2020-6418) that is being actively exploited by attackers in the wild. About CVE-2020-6418 No details have been shared about the attacks and about the flaw itself, apart from the short description that says it’s a type confusion flaw in V8, the JavaScript…

Malware & Threats

Phishers impersonate WHO, exploit coronavirus-related anxiety

Issued by: Help Net Security

Media outlets are reporting daily on the coronavirus outbreak in Wuhan and the emergency repatriation of foreign citizens that found themselves in the thick of it. As cases of the virus infection keep popping up across the world – demonstrating just how small (i.e., well-connected) our planet is – so do fake news and videos…

Network Security

Multi-stage attack techniques are making network defense difficult

Issued by: Help Net Security

IT managers are inundated with cyberattacks coming from all directions and are struggling to keep up due to a lack of security expertise, budget and up to date technology, according to Sophos. The survey polled 3,100 IT decision makers from mid-sized businesses in the US, Canada, Mexico, Colombia, Brazil, UK, France, Germany, Australia, Japan, India,…

Malware & Threats

Cybercriminals Use Cracked Builder to Spawn Betabot Variants

Issued by: Security Week

Betabot, an old piece of malware that ensnares affected computers into a botnet, is now being distributed by attackers who managed to crack its builder, Sophos security researchers reveal. The malware previously functioned as a banking information stealing Trojan, then became a password stealing malware, and recently began capitalizing on infected bots to distribute ransomware.