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Ransomware, takedowns, and political promises to tackle cyber crime

In this week’s Cyber Security Brief podcast, Dick O’Brien and Brigid O Gorman discuss some of the biggest cyber security stories of the last two weeks. Ransomware has once again dominated the news headlines, with news about huge ransom payments and ransom recovery operations being reported. Meanwhile, cyber security comes to the fore in the political sphere following pronouncements from the G7 and NATO summits. Elsewhere, attackers leveraged Slack to attack one of the world’s biggest gaming companies, one of the largest online marketplaces for stolen credentials in the world was taken down by authorities, and how law enforcement used a backdoored chat app to spy on criminals, leading to hundreds of arrests.

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In-depth look at the ransomware attack on Ireland’s national health service, as major meat producer JBS also hit with ransomware

On this week’s Cyber Security Brief podcast, Dick O’Brien and Brigid O’Gorman are joined by Symantec threat researcher Gavin O’Gorman to discuss the Conti ransomware attack on Ireland’s national health service, how the response to this attack is going, and what the likely consequences of it may be. Elsewhere, another ransomware attack, this time on the world’s largest meat producer, JBS Foods, and Sweden’s Public Health Agency is also hit with some hack attempts. Meanwhile, the alleged leader of an ATM fraud gang responsible for stealing more than $1 billion from tourists, is arrested in Mexico.

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Colonial Pipeline attack, Darkside ransomware gang, and crypto mining makes a comeback

In this week’s Cyber Security Brief, Dick O’Brien and Brigid O’Gorman discuss the implications of the Colonial Pipeline ransomware attack and the activities of the group behind it, Darkside. We also talk about what appears to be a reasonably new ransomware - Avaddon - that has been used in a string of attacks recently, while we also discuss an idea Brian Krebs wrote about that could potentially help deter ransomware actors from infecting your network. Away from the world of ransomware we talk about Lemon Duck and something of a resurgence in crypto mining, while we also discuss what CISOs are most worried about in 2021.

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MFA causes headaches for attackers, and a look at living off the land activity

On this week’s Cyber Security Brief podcast, Brigid O Gorman and Dick O’Brien discuss some research we have recently been working on at Symantec. First, we discuss a blog we published this week, which looks at multi-factor authentication and how it has become a headache for malicious actors, leading them to adopt new attack techniques in an attempt to bypass or avoid it completely. We also discuss a report that we shared with customers recently looking at living off the land attack techniques and the activity and trends in that area, as well as some steps you can take to try and protect your network from this kind of activity.

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Pulse Secure VPN zero-day, SolarWinds and Exchange Server developments, and spies approach UK employees on social media

On this week’s Cyber Security Brief, Alan Neville joins Brigid O Gorman and Dick O’Brien to discuss the recent discovery of a zero-day vulnerability in popular VPN product Pulse Secure. We also discuss some recent developments in the SolarWinds and Microsoft Exchange Server stories. Finally, we discuss a recent potential data breach at software testing company Codecov, and look at why UK authorities are warning government employees about potential approaches from foreign spies on social media.

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