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Checkout.com hacked, refuses ransom payment, donates to security labs

checkout.com-hacked,-refuses-ransom-payment,-donates-to-security-labs

Tl;dr: Last week, we were targeted by a criminal extortion attempt. The attackers gained access to a legacy, third-party cloud file storage system.  Our live payment processing platform was not impacted. No merchant funds or card numbers were accessed.  We are donating the ransom amount to fund cybercrime research. Last week, Checkout.com was contacted by […]

Fizz Buzz without conditionals or booleans

I recently learned about the Feeling of Computing podcast and listened to the latest episode. One of the hosts challenged listeners to “write Fizz Buzz with no booleans, no conditionals, no pattern matching, or other things that are like disguised booleans.” Here’s my Python solution: from itertools import cycle def string_mask(a, b): return b + […]

Reverse Engineering Yaesu FT-70D Firmware Encryption

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This article dives into my full methodology for reverse engineering the tool mentioned in this article. It’s a bit longer but is intended to be accessible to folks who aren’t necessarily advanced reverse-engineers. Click on any of the images to view at its original resolution. # Background Ham radios are a fun way of learning […]

The Pen and the Spade: The Poems of Seamus Heaney

the-pen-and-the-spade:-the-poems-of-seamus-heaney

Seamus Heaney was a self-consciously self-made poet. In his essay ‘Feeling into Words’, he gives one of the best accounts available of ‘finding your voice’ as a writer. There were early stirrings of poetry in listening to his mother recite the Latin grammar of her schooldays; the ‘beautiful sprung rhythms’ of the BBC shipping forecast […]

CollectWise (YC F24) Is Hiring

collectwise-(yc-f24)-is-hiring

About Us CollectWise is a fast growing and well funded Y Combinator-backed startup. We’re using generative AI to automate debt collection, a $35B market in the US alone. Our AI agents are already outperforming human collectors by 2X, and we’re doing so at a fraction of the cost. With a team of three, we scaled […]

Meta replaces WhatsApp for Windows with web wrapper that uses 1 GB RAM when idle

meta-replaces-whatsapp-for-windows-with-web-wrapper-that-uses-1-gb-ram-when-idle

WhatsApp on Windows 11 has just got a ‘major’ upgrade, and you’re probably going to hate it because it simply loads web.whatsapp.com in a WebView2 container. This means WhatsApp on Windows 11 is cooked, and it’s back to being absolute garbage in terms of performance. WhatsApp is one of those Windows apps that went from […]

Bitcoin’s big secret: How cryptocurrency became law enforcement’s secret weapon

bitcoin’s-big-secret:-how-cryptocurrency-became-law-enforcement’s-secret-weapon

At the 2025 Bitwarden Open Source Security Summit, WIRED’s Andy Greenberg sat down for a fireside chat with GigaOm analyst Paul Stringfellow to discuss a revelation that turned his decades-long reporting on its head: Bitcoin became a criminal’s worst nightmare. In 2011, Greenberg thought he’d discovered the story of a lifetime: digital cash that promised […]

Large integer precision error in Bash command output rendering

large-integer-precision-error-in-bash-command-output-rendering

Claude Code incorrectly displays large integers in bash command output, showing a different value than what was actually output by the command. Steps to Reproduce Run the following command in Claude Code: echo ‘348555896224571969’ Or with jq: echo ‘{“value”: 348555896224571969}’ | jq -c .value Expected Behavior Claude Code should display: 348555896224571969 Actual Behavior Claude Code […]