The hottest Other Substack posts right now

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TechLetters #159 Light sensor privacy leaks; Data leaks from LLM uses; Cybersecurity plans of a potential US 2025 White House

Lukasz Olejnik on Cyber, Privacy and Tech Policy Critique • 58 implied HN points • 22 Jan 24
🕹 Technology Security Privacy Other
  1. Data leaks from AI/LLM systems, affecting devices like iPhones
  2. Cybersecurity plans for potential future US 2025 White House President include integrating cyber and electronic warfare capabilities
  3. Risk of privacy leaks from ambient light sensors validated by research, emphasizing the need for safe configurations

TechLetters #161 - Death indirectly following ransomware; Drones and cyber during wars are changing military strategy; Factorisation of number 247 on a quantum computer

Lukasz Olejnik on Cyber, Privacy and Tech Policy Critique • 19 implied HN points • 05 Feb 24
🕹 Technology Security Technology Policy Other
  1. A 32 year old security bug in Linux's qsort algorithm poses a threat.
  2. Ransomware incidents are causing serious consequences, including job loss and health issues like suicide.
  3. The factoring of number 247 on a quantum computer breaks RSA-8 cryptosystem in 35 seconds.

TechLetters #125 - My book, Philosophy of Cybersecurity. Data center under water. MS EDGE leaking data. AI. Phishing parrot risk increases.

Lukasz Olejnik on Cyber, Privacy and Tech Policy Critique • 58 implied HN points • 01 May 23
🕹 Technology Security Privacy Technology Policy Other
  1. Google's data center faced challenges like being underwater, showing importance of risk management.
  2. OpenAI is enhancing privacy controls to address GDPR concerns and maintain user trust.
  3. Microsoft Edge has a privacy issue - leaking data to Microsoft, reminiscent of older privacy concerns.

TechLetters #126 - Banning multi-sim devices. Russian stealthy espionage combine harvester analysed and made public. Putting AI-generated labels on AI-generated content.

Lukasz Olejnik on Cyber, Privacy and Tech Policy Critique • 39 implied HN points • 15 May 23
🕹 Technology Security Privacy Technology Policy Other
  1. UK is considering banning multi-sim devices to prevent fraud
  2. US reveals Russian cyber espionage tool used by FSB for information theft
  3. Google to label AI-generated images to comply with EU regulations
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TechLetters #121 - Cyberwar in Ukraine. 0day exploits to smartphones via apps. AI-automation coming to address cybersecurity industry. Cookie blocking standardisation. VULKAN cyberwar services.

Lukasz Olejnik on Cyber, Privacy and Tech Policy Critique • 39 implied HN points • 03 Apr 23
🕹 Technology Security Privacy Technology Policy Other
  1. Smartphone app exploited 0day vulnerability affecting millions of devices
  2. Microsoft integrating ChatGPT for automating cybersecurity tasks
  3. Web security proposal aims to standardize cross-browser cookie blocking

TechLetters #137 - AMD, TETRA bugs. USB stick of DOOM strikes again. China's cyberoperations. Another confirmation: filter bubbles/echo chambers DO NOT EXIST. LK99?

Lukasz Olejnik on Cyber, Privacy and Tech Policy Critique • 19 implied HN points • 31 Jul 23
🕹 Technology Security Technology Policy Other
  1. Security issues with AMD processors and TETRA radio systems were highlighted.
  2. Beware of USB devices that can potentially hack systems and lead to data theft.
  3. Research suggests that filter bubbles and echo chambers may not have the profound impact on opinions as previously believed.

TechLetters #136 Reviewing for security and privacy. ChatGPT for cybercrime. Privacy Sandbox, AI, sending e-mails a problem in 2023.

Lukasz Olejnik on Cyber, Privacy and Tech Policy Critique • 19 implied HN points • 24 Jul 23
🕹 Technology Security Privacy Technology Policy Other
  1. Sending military emails requires caution to avoid leaking personal data.
  2. ChatGPT is used for illegal activities like phishing, with no ethical restrictions.
  3. The launch of the Privacy Sandbox by Google/Chrome aims to improve privacy in ad infrastructure.

TechLetters #116 - cyberwar in Ukraine; TikTok gets a hit in Europe; 2-year-old backdoor activated in cyberwar in Ukraine; #GDPR reform imminent; Privacy Sandbox field-tested; geopolitical censorship

Lukasz Olejnik on Cyber, Privacy and Tech Policy Critique • 19 implied HN points • 27 Feb 23
🕹 Technology Security Privacy Technology Policy Other
  1. Analysis of cyberwar in Ukraine with details of satellite internet provider KA-SAT compromise
  2. EU institutions prohibit TikTok use by employees for cybersecurity reasons
  3. European Commission proposes GDPR reform for more coherent enforcement rules

TechLetters #138 Enhancing existing products with AI/LLM as a business strategy. Senegal cut off TikTok access. Smartphone minor mode to promote socialist core values

Lukasz Olejnik on Cyber, Privacy and Tech Policy Critique • 0 implied HN points • 07 Aug 23
🕹 Technology Privacy Technology Policy Other
  1. Building products with privacy-preserving AI/LLM is valuable
  2. Senegal blocked access to TikTok due to threats to stability
  3. China proposed 'minor mode' for smartphones to promote socialist core values

TechLetters #135 - Cyberwarfare in Ukraine. "Diplomat car advert" cyber tactic strikes again. Russia wants to prohibit cyber-attribution. Neural privacy not in scope of #GDPR. Aspartame carcinogenic.

Lukasz Olejnik on Cyber, Privacy and Tech Policy Critique • 0 implied HN points • 17 Jul 23
🕹 Technology Security Privacy Technology Policy Other
  1. Cyberwarfare tactics in Ukraine involve exploiting Western media coverage for psychological effects
  2. Russia used a hijacked BMW advert of a diplomat to spread malware to other embassies
  3. Neurotechnology advancements pose threats to human rights but are not regulated by GDPR or other standards