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FBI Arrests Cybersecurity Executive Over Data Breach After Contractor Fails to Update Oracle HR Platform

CNN reports: The FBI arrested a Canadian cybersecurity executive and ransomware expert as part of the investigation of a damaging hack that exposed the sensitive data of current and former FBI…

  • Canadian cybersecurity expert Edward Dubrovsky arrested by FBI
  • Dubrovsky charged with extortion and making threats
  • Breach caused by contractor's failure to update Oracle HR platform

I Almost Published a Chart Saying the Nifty Fell 51% in 2003. It Fell 16%. Here Is the Bug.

I keep a few million rows of Indian stock market data in PostgreSQL as a hobby. I started in 2025 because the free sites kept changing their page layouts and breaking the scripts I used to read them.

  • 51% fall in 2003 was incorrect due to not using running maximum for peak-to-trough calculation
  • Worst day calculation mistakenly used same date for exit during COVID crash
  • Tata Motors split caused old ticker symbol to become invalid, leading to missing data

Ever Wondered How we communicate through the Internet (HTTP) ?

HTTP is a application-layer protocol that is used for transmitting hypermedia documents like (HTML). It is designed for the communication between web-browser and web-servers , it is also used for…

  • HTTP is the application-layer protocol for Internet communication
  • Determines features and flaws based on HTTP version used
  • Client-server model with stateless protocol for web communication

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