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John Leyden

@jleyden.bsky.social

Cybersecurity journalist for csoonline.com (past Daily Swig, The Register and others). Sports fan and travel enthusiast.

85 Followers  |  253 Following  |  26 Posts  |  Joined: 01.12.2024  |  1.9651

Latest posts by jleyden.bsky.social on Bluesky

Mikko Hypponen announces he is leaving the anti-malware industry after 34 years to join an anti- drone startup Sensofusion in August <β€” One of the deepest thinkers and best speakers in the industry moves on. Muchas gracias por todo y buena suerte. #InfosecurityEurope

04.06.2025 10:30 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Listening to Rory Stewart talking geopolitics #infosec. Trump’s decision to dismantle federal funding for universities and science, laying off US govt cybersecurity staff is bad news. Stewart predict regulatory divergence

04.06.2025 10:00 β€” πŸ‘ 0    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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SANS Institute’s James Lyne and Cairan Martin talking about trends for cybersecurity leaders at #InfosecEurope

03.06.2025 15:30 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Mikko Hypponen introducing a panel on AI by mentioning his 34 year career in infosecurity, back to the days of viruses on floppy discs. Mikko says cybersecurity is no longer just about securing computers but about securing society

03.06.2025 12:20 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Listening to NCSC’s Paul Chichester talking about geopolitics driving cyber threats

03.06.2025 12:00 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Let’s get it right about ColostomyBagBoy and their historic malware writing exploits…

03.06.2025 10:30 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Space time itself comes from a network on entangled qubits, says Prof Brian Cox (referencing discovery by Prof Stephen Hawking) <β€” Space time is a quantum error correction code

03.06.2025 10:00 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Prof Brian Cox talking about black holes, quantum physics and quantum computing

03.06.2025 09:40 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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@grahamcluley.com opens the show by talking about the history of malware. 1990s boot sector viruses on floppy discs written by the likes of ColostomyBagBoy

03.06.2025 09:30 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Standing room only for the first Infosec Europe keynote

03.06.2025 09:00 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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And, as a bonus, I also got to see the Kitt car from David Hasselhoff’s TV show Knight Rider

03.04.2025 14:00 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Here’s @rikferguson.com offering a history lesson on cybersecurity calamities…

03.04.2025 13:00 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 2    πŸ“Œ 0
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Great day at the #DTXM25 conference in Manchester yesterday. Saw talks by @rikferguson.com and @jakemooreuk.bsky.social as well as a timely panel on mental health in cybersecurity teams

03.04.2025 12:00 β€” πŸ‘ 2    πŸ” 1    πŸ’¬ 2    πŸ“Œ 0
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What CISOs need to know about the SEC’s breach disclosure rules Security leaders can face personal liability peril for security fails or misleading disclosures to the SEC and navigating the reporting guidelines is not always a straightforward task.

I'm putting together a follow-up piece on SEC breach disclosure rules.

www.csoonline.com/article/3609...

How can CISOs pre-prepare to assess whether or not a breach has a "material impact" and meet these tight reporting requirements?

I'm looking for comments from industry (non-vendor) CISOs.

18.12.2024 13:00 β€” πŸ‘ 2    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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UK government is running consultations in coop with French to improve transparency into the cyber intrusion market #BlackHatEU <β€” Analogies with defence procurement don’t map well, say foreign office reps

12.12.2024 12:00 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Defending off the land: Using existing Windows OS capabilities rather the XDR agents or similar from security vendors to detect and alert on attackers (HT Thinkst Canary) #BlackHatEU2024

12.12.2024 11:00 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Senior French interior ministry chief Brigadier General Eric Freyssinet talking cybercrime trends #BlackHatEU2024

12.12.2024 09:30 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Research into 4 years of threat intel on SAP vulnerabilities revealed a sharp spike in discussions in 2020 #BlackHatEU

12.12.2024 09:00 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Interesting talk by Johann Rehberger of embracethered.com on advanced prompt injection exploits in LLM applications such as Microsoft Copilot #BlackHatEU2024

11.12.2024 19:00 β€” πŸ‘ 1    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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WorstFit: character conversion issue with Window’s BestFit tech creates numerous vulnerabilities in various applications, Orange Tsai tells #BlackHatEU

11.12.2024 12:00 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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KeyTrap denial of service attack against DNSSec: 10 requests per second enough to create a viable DOS attack. Worse strain of attack - single request 18 mins DOS. All resolvers vulnerable. #BlackHatEU2024

11.12.2024 11:00 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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The internet in the West is dominated by 8 (mostly US) mega corporations <β€” This is bad for resilience, Douzet warns

11.12.2024 10:40 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Digital connections are mapping the front lines of battles, says FrΓ©dΓ©rick Douzet <β€” Countries seeking to control internet tend to have fewer connections. Enables surveillance - so bad for privacy - while reducing resilience

11.12.2024 10:00 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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French geopolitics academic FrΓ©dΓ©rick Douzet talking about the geopolitical implications of network connectivity and complexity #BlackHatEU2024

11.12.2024 09:40 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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A monoculture isn’t going to work well in a chaotic political environment, says Black Hat’s Jeff Moss #BlackHatEU2024 <β€”- Need to have flexibility in skills and avoid vendor lock-in

11.12.2024 09:20 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Thinking of trying out "I'm from the internet and I'm here to help" as a new icebreaker. "You can trust me, I'm a journalist" is far too 90s

10.12.2024 22:00 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

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