The 2026 picoCTF competition has officially expanded with more challenges than ever before, yet the transition from the block-based logic of Karel to the raw Python scripting required for CTFs remains ...

Your guides to the weird side of the web feature Inq's cipher wheel and the history of cryptography. Top Republicans don't want to talk about the DOJ paying Trump $10 billion Kouri Richins’ boys ...

The Zodiac Killer's cryptic messages weren't just taunts to police — they were a twisted throwback to his first victim, according to an independent investigator who says he's cracked the code and ...

A relatively new ransomware family is using a novel approach to hype the strength of the encryption used to scramble files—making, or at least claiming, that it is protected against attacks by quantum ...

"Et tu, Brute?" (“You too, Brutus?”) has become history's most famous betrayal line, but it's not really history at all. Let’s retrace history in an attempt to discover what the Roman dictator ...

I review privacy tools like hardware security keys, password managers, private messaging apps, and ad-blocking software. I also report on online scams and offer advice to families and individuals ...

The phrase “cash is king” may not have the same ring as it used to, now that more than 40% of Americans, per the Pew Research Center, regularly go a week or more without paying for anything using ...

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If a business wants to offset processing fees, you could have to pay a surcharge for using a credit card. However, if you want to avoid this fee, pay with your debit card, cash or check. Paying a ...