✦ in the name of the moon, i'll decrypt you! ✦
she/her · systems engineer 2 @ amazon web services · previously cisco, duo security & monzo · tokyo / london 🌏
i made RustScan, Ciphey, pyWhat, Name-That-Hash & Search-That-Hash · 50k+ ⭐ & 4M+ downloads ⚡
and these days i make cute tools for learning languages: 日本語 · ʻōlelo hawaiʻi · ภาษาไทย 🌺
graduated in computer science (with honours!) from the university of liverpool 🎓
at tryhackme: employee #4 · ex-#2 in the world · ex-subreddit lead 🎖️
and og discord mod: grew it from 5k → 300k members 👾
cyberchef maintainer · spoke at black hat eu 🎤
speedran the CISSP in just 3 days 🏁
i blog at skerritt.blog 🌸
▶ watch my intro (46 s, 1080p) · download the mp4 · made with hyperframes · source
gotta catch 'em all ✦
| ⚡ 50k+ ⭐ & 4M+ downloads ciphey, rustscan, pywhat & the hash tools |
🛡️ github secure open source fund 2026 cohort, with ciphey |
| 🏛️ 1 of 35 invited to the downing street hackathon no. 10's hackathon, picked from 1,500 applicants |
🏆 won 9 hackathons hackathon queen 👑 |
| 🐉 4 of my tools ship in kali linux rustscan, ciphey, name-that-hash & pywhat |
🧑🍳 cyberchef maintainer the cyber swiss army knife, 36k ⭐ |
| 🎤 spoke at black hat ciphey @ black hat arsenal europe 2024 |
🐛 found a cvss 9.6 critical rce 4 anki cves, disclosed with cisco talos |
| 🏁 speedran the cissp in 3 days "the world's hardest cyber security exam" |
🚀 tryhackme employee #4 ex-#2 in the world · grew the discord 5k → 300k |
| 🌺 the first open-source hawaiian dictionaries and i added hawaiian + welsh to yomitan |
|
15k+ contributions since 2015, and every phase of the moon 🌑 → 🌗
| 🌑 2015–16 |
hello world · first repos: little python scripts, flash cards, a morse code text-to-speech. started learning hawaiian on duolingo 🌺 |
| 🌒 2017–19 |
uni girl · computer science at liverpool on a cyberfirst bursary, hackathons, tl;dr news, two books, and ciphey is born (july 2019) |
| 🌓 2020 |
the big bang 💥 · 3,000+ contributions in one year. ciphey & rustscan blow up (20k+ ⭐ each today), i join tryhackme as employee #4 and make ctf rooms |
| 🌔 2021–22 |
hashpals era 🔗 · name-that-hash, pywhat & search-that-hash, then ares (ciphey, but in rust). site reliability & security @ monzo |
| 🌕 2023–24 |
security girl 🛡️ · sre & security @ duo / cisco, hacked anki with cisco talos (4 cves), forked cyberchef into cyberfork, ciphey at black hat |
| 🌖 2025 |
aloha era 🌺 · moved to japan, speedran the cissp, freed every hawaiian dictionary, cyberchef maintainer duties, #2 contributor to gamesentenceminer, joined aws (ec2 networking) |
| 🌗 2026 |
busy bee 🐝 · my biggest year ever: 6,400+ contributions so far. ciphey joins github's secure open source fund (2026 cohort) 🛡️, plus kani, hachidori, the character name dictionary and a pile of yomitan dictionaries |
 awesome-hawaiian-language ⭐ 6 the first ever open-source hawaiian dictionaries ✨ every hawaiian dictionary (1845 → 2003) freed into csv, plus yomitan pop-up versions, a hawaiian frequency dictionary and anki decks 📖 get the dictionaries 🌺 using yomitan for hawaiian |
| ⚡ Ciphey ⭐ 21.6k · 📦 2.5M+ automatically decrypt encryptions without knowing the key or cipher, decode encodings & crack hashes |
🤖 RustScan ⭐ 20.5k · 📦 1M+ the modern port scanner |
| 🐸 pyWhat ⭐ 7.3k · 📦 300k+ identify anything: emails, ip addresses & more. feed it a .pcap file or some text and it'll tell you what it is! |
🔗 Name-That-Hash ⭐ 1.7k · 📦 450k+ don't know what type of hash it is? name-that-hash will name that hash type! md5, sha256 & 300+ more |
| 🔎 Search-That-Hash ⭐ 1.4k · 📦 130k+ searches hash apis to crack your hash quickly, and pipes into hashcat if it isn't found |
🦀 Ares ⭐ 882 ciphey, but in rust! automated decoding of encrypted text without knowing the key or ciphers used |
| 🐦 Hachidori ⭐ 30 blazing fast, feature-rich japanese dictionary extension for chrome. imports dictionaries 83× faster than the world's most popular one |
🎭 Character Name Dictionary ⭐ 17 yomitan dictionary of character names from the visual novels, anime & manga you read. set it up once and it auto-updates forever · characterdictionary.tokyo |
| 🦀 Kani ⭐ 13 android app that cures kanji blindness: finds the kanji you keep failing in anki, works out why, and teaches them in tiny loops |
🗂️ Anki Sorter ⭐ 11 frequency-first anki add-on, so common readable cards come before rare or painful ones |
| 🔊 Yomitan Audio Fast ⭐ 8 drop-in local audio server for yomitan + anki that's 18.2× faster |
📖 Bee's Ultimate Grammar Dictionary ⭐ 8 a pile of japanese grammar sources merged into one yomitan dictionary, one popup per grammar point |
| ✍️ Bee's Ultimate Kanji Dictionary ⭐ 7 self-updating yomitan kanji dictionary built from jiten, with kanjidic2 + kanjivg learning aids |
🏯 Yomitan Dictionaries ⭐ 7 custom dictionaries for japanese places, culture, folklore, food & grammar |
my open-source ʻohana ✦
- 🤖 Hermes Agent ⭐ 250k · nous research's "agent that grows with you" · 5 prs: bitwarden secret handling, env + config fixes & my user story, plus a hermes skill that checks me into flights
✈️ - 🧑🍳 CyberChef ⭐ 36k · the "cyber swiss army knife" for encoding, encryption & data analysis · maintainer: i help triage issues & prs
- 🐙 Argo CD ⭐ 24k · declarative gitops continuous delivery for kubernetes · oidc + sso contributions (made off github)
- 🌐 Yomitan ⭐ 2.9k · the pop-up dictionary browser extension, successor to yomichan · added hawaiian 🌺 & welsh 🐉 support, 7 merged prs
- 🎮 GameSentenceMiner ⭐ 859 · immersion toolkit for learning languages through games & visual media · #2 contributor, 300+ commits (i built the stats pages!)
- 📱 Chimahon ⭐ 215 · mihon immersion fork with native yomitan lookup & instant anki mining · 5 merged prs
- 🍬 sprinkles · mangatan (28 merged prs), hoshidicts (7, +3 to its rust port), subminer (3), plus little prs to github's advisory database, owocr, lapis, texthooker-ui, awesome-rust & more · 130 merged prs to 32 other people's repos in total
- 🕳️ How I Hacked Your Pi-Hole ⭐ 200 · made for my tryhackme room: of 5,308 public pi-holes on shodan, 100 were vulnerable
- 🦑 StegKraken ⭐ 29 · "the world's fastest stegcracker": a steganography brute-forcer written in rust
- 👾 The Ultimate Hacking Bot ⭐ 11 · a discord bot packing ciphey, ares, lemmeknow & search-that-hash, used by 5,000+ people
- 🍴 CyberFork ⭐ 8 · my cyberchef fork with extra operations merged in, like base92, jq, modhex & x.509 output · try it
- ♿ awesome accessible hacking ⭐ 7 · infosec tools & sites that are accessible, plus my guide to making hacking accessible
- 🔤 gibberish-or-not ⭐ 2 · rust crate that works out if text is english or gibberish (ciphey uses it!)
- 🕵️ i called out an ai company for adding people who starred its repo to its marketing emails
- 🧅 security explainers on the blog: how tor really works, diffie–hellman–merkle, hash functions for non-cryptographers & wi-fi deauth attacks
- 🎓 certified cissp & iso 27001 lead auditor
🐛 vulnerabilities i found with cisco talos · all in anki 24.04, so beware of strange flashcards! 🃏
- CVE-2024-26020 · rce through mpv script injection · cvss 9.6 critical 🔥
- CVE-2024-32484 · reflected xss via invalid paths in anki's flask server
- CVE-2024-32152 · latex blocklist bypass
- CVE-2024-29073 · latex
verbatimarbitrary file read
- 🌸 What My AI Agent Did for Me This Week (That Wasn’t Coding) Aug 31, 2026
- 🍡 Speedrunning Dictionary Imports: A Race Between Apps Jul 26, 2026
- 🐝 [Unfinished] Turning Steamdeck into a Japanese immerison machine by dual booting Windows May 8, 2026
- 🌺 Anki VN Sorter May 4, 2026
- ✨ Mature card exporter for anki May 4, 2026
🍓 fun facts
- 🗼 i got a japan working holiday visa as a trans woman, then moved to japan to study japanese full time
- ⏱️ 4,704 hours of studying japanese so far, and my first finished visual novel was ツユチル・レター
- 🌟 one of my projects was 67 lines of code and hit 1.7k ⭐ in 3 days
- 🍶 my ai agent checked me into a flight while i was a little drunk in a tokyo izakaya
- 💾 i put 800gb of manga onto one microsd card, just because i could
- 📚 Algorithmic Design Paradigms ⭐ 249 · my book on algorithmic design paradigms
- 💼 How to Get Any Job You Want ⭐ 66 · a 34,000-word book on employability skills
- 🧩 Data Structures & Algorithms with Leetcode ⭐ 44 · learn ds&a through leetcode problems · read it free
- 🐍 Python Zero to Hero ⭐ 32 · from knowing a little python to expert pythonista · read it free
🧸 cozy little side quests (click me!)
- 🖥️ moe desktop widgets · kde plasma 6 plasmoids from my moe desktop rice: japanese word a day, moe-counter clock & place of the day, plus an anime girl desktop sticker
- 🇹🇭 ThaiWrite · writing-first thai alphabet trainer for android, with handwriting practice
- 🧠 BeeCode ⭐ 4 · offline-first spaced-repetition app for leetcode-style problems, powered by bee-fsrs
- 📰 tl;dr news ⭐ 37 · picks out the most important sentences of a news article using tf-idf
ʻohana means family. family means nobody gets left behind or forgotten 🌺
thanks for stopping by ♡ shh, mew is napping (˘ω˘)
mew & cutiefly sprites adapted from the PMD Sprite Collab (mew by JFain · cutiefly by baronessfaron, Mitsubachi & Emmuffin · CC BY-NC 4.0) · stitch gifs from disney · all other pixel art drawn for this page