Math puzzles - Hack'n Jill

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10 Best Math Puzzle Books That Will Challenge and Delight You

top math puzzle books

Linger over these top math puzzle books that will challenge and delight, and discover why they are perfect for sharpening your mind.

Jill Hack
October 31, 2025

government spyware surveillance expos

Cybercrime and Incidents

Pegasus Spyware Exposé: How Governments Turned Phones Into 24/7 Spies

Narrowly concealed within smartphones, Pegasus spyware reveals how governments covertly…

Hack'n Jill Team
March 19, 2026

hacker s mistake halts malware

Cybercrime and Incidents

WannaCry Worm: How a Hacker’s Mistake Saved the Day

Keen insights reveal how one unintended mistake in the WannaCry attack unexpectedly…

Hack'n Jill Team
March 18, 2026

fake chat app sting

Cybercrime and Incidents

The FBI’s Big Sting: How a Fake Chat App Fooled Criminals Worldwide

Mysteriously convincing, the FBI’s fake chat app lured criminals worldwide into a trap,…

Hack'n Jill Team
March 18, 2026

silk road bitcoin seizure

Cybercrime and Incidents

The Bitcoin Billion-Dollar Bust: How Police Tracked Down a Silk Road Wallet

Discover how police used cutting-edge blockchain analysis to track down a Silk Road…

Hack'n Jill Team
March 17, 2026