Brain teasers - Hack'n Jill

Vetted

14 Best Sudoku Puzzle Books to Challenge and Entertain Your Mind in 2025

top sudoku puzzle books

Discover the 14 best Sudoku puzzle books of 2025 to challenge your mind, with exciting options that will keep you hooked and eager to explore more.

Jill Hack
November 2, 2025

Vetted

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

corporate phishing awareness training

Ethical Hacking

Phishing Email or Test? How Companies Trick Employees to Train Them

Companies often use simulated phishing emails to trick employees into recognizing real…

Hack'n Jill Team
February 10, 2026

transition from blackhats to cybersecurity

Ethical Hacking

Famous Ethical Hackers: From Ex-Blackhats to Cybersecurity Heroes

Fascinating stories of ex-blackhats turned cybersecurity heroes reveal how their skills…

Hack'n Jill Team
February 10, 2026

ethical hackers dangerous missions

Ethical Hacking

Red Team Adventures: When Ethical Hackers Go “Bad” for a Good Cause

Just when ethical hackers push boundaries for a good cause, unforeseen consequences can…

Hack'n Jill Team
February 9, 2026

capture practice solve learn

Ethical Hacking

CTFs: The Hacker’s Playground to Sharpen Your Skills

CTFs: The Hacker’s Playground to Sharpen Your Skills offers an exciting way to develop…

Hack'n Jill Team
February 9, 2026