Urgent.News

What's breaking now, across thousands of outlets.

More in Tech

How Symmetric Encryption (Fernet) Keeps Local Credentials Safe on Disk

Desktop apps that talk to servers over SSH or an API often need to remember a password or key between launches. Asking the user to retype it every time isn't realistic, but saving it as plain text in…

  • Symmetric encryption (Fernet) protects local credentials by encrypting data with AES and HMAC.
  • Fernet combines encryption, signing, timestamping, and Base64 encoding for secure storage.
  • Key management is crucial; Fernet stores a key in a hidden directory with duplicate backup.

PeckBirdy traffic reaches enterprise networks through casino decoys

China-aligned threat actors are using Chinese-language casino and adult websites to conceal PeckBirdy command-and-control infrastructure, with Infoblox telemetry showing the framework touching…

  • PeckBirdy C2 infrastructure hidden via Chinese casino/ adult sites
  • Infoblox telemetry detects PeckBirdy across 3% of enterprise customers
  • Malicious traffic blends with gambling/adult domain policy dismissals

What Math Actually Buys You: Optimizing a Rock-Paper-Scissors Game in C

I was looking through my old projects and found a couple of Rock-Paper-Scissors games I wrote in C a few years back. Why more than one?

  • Naive version seeded random with time, generated 1-3 for Rock-Paper-Scissors
  • Undefined behavior due to uninitialized option variable, loop ran by luck
  • Switch statement in checkrules function applied mathematical rules to game logic

What Is DPI? 72 vs 300 vs 600 DPI Explained

What Is DPI? 72 vs 300 vs 600 DPI Explained DPI stands for Dots Per Inch. It is commonly used when preparing images for printing. Different projects may require different DPI settings.

  • DPI stands for Dots Per Inch, a measure of image resolution.
  • 72 or 300 DPI are common settings for screen and print tasks respectively.
  • DPIFix tool helps adjust image DPI for various formats.

More from Saturday 19 September →