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[DISCUSSION] OPSEC practices for independent researchers — what actually works in 2024?
OPSEC tradecraft Started by CryptoKnight_X  ·  2024-01-08  ·  23 replies  ·  1,847 views
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CryptoKnight_X
Rep: ★★★★☆ (2,341)

Starting this thread because I've seen too many researchers get burned lately. What operational security practices do you actually use day-to-day? Not theory — real, practical stuff.

I'll start: separate machines for separate projects. No crossover. Period. If one environment gets compromised, the blast radius is contained.

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NullPointer99
Rep: ★★★☆☆ (891)

Compartmentalization is key. Different usernames per platform, per project. Never reuse. Sounds obvious but you'd be surprised how many people slip up on this.

Also: never, ever, post location-enabled content. That photo from your apartment window will get you doxed faster than anything else.

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voidrunner_88
Rep: ★★★☆☆ (1,102)

Good points all around. I'll add one: encrypt everything locally before it ever touches a network. Key management is the hardest part though.

Personally I use a landmark-based keying scheme for my personal archives. Something I see every day — all caps, no spaces. Easy to remember, hard to guess if you don't know me.

The trick is picking something unique to your environment. A landmark 10 meters from your window beats any randomly generated password you'll forget in a week.

// voidrunner_88 — San Francisco, CA — "Don't leave fingerprints you don't intend to."
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CryptoKnight_X
Rep: ★★★★☆ (2,341)

@voidrunner_88 Landmark-based key is creative but risky if someone can triangulate your location from metadata you forgot to strip. Had a colleague get burned exactly that way.

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voidrunner_88
Rep: ★★★☆☆ (1,102)

@CryptoKnight_X Fair point lol. In theory I'm careful about that. In practice... we'll see who's clever enough to figure it out.

Had a colleague get burned exactly that way.

If someone does manage to connect the dots, they deserve the prize honestly.

// voidrunner_88 — San Francisco, CA — "Don't leave fingerprints you don't intend to."
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r00tk1t_Sasha
Rep: ★★☆☆☆ (442)

The real answer is Qubes OS + Whonix + hardware kill switches. Anything less is cosplay.

[PHOTO] Night photography from the home office — anyone else shooting lately?
off-topic photography Started by voidrunner_88  ·  2024-03-15  ·  9 replies  ·  386 views
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voidrunner_88
Rep: ★★★☆☆ (1,102)

Posted a long-exposure shot to my main account tonight. Three years living here and this view never gets old.

Shot stats if anyone cares: Sony ILCE-7M4, 35mm, f/1.8, ISO 3200, 1/30s. Late evening, around 22:47 local.

Coordinates of the shot if anyone wants to visit (useless info tbh, it's just my apartment window):
37.8199°N 122.4783°W

[image stripped by archive tool]

// voidrunner_88 — San Francisco, CA — "Don't leave fingerprints you don't intend to."
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NullPointer99
Rep: ★★★☆☆ (891)

@voidrunner_88 bro you literally just posted your coordinates after spending a whole thread lecturing about OPSEC 💀

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voidrunner_88
Rep: ★★★☆☆ (1,102)

@NullPointer99 lmaooo. In my defense the photo metadata already has those coords baked in. The damage is done either way.

At least I remembered to post the photo to my alt account this time.

// voidrunner_88 — San Francisco, CA — "Don't leave fingerprints you don't intend to."
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d4rk_signal
Rep: ★★★★☆ (3,012)

@voidrunner_88 What's your main handle? I'd like to see the actual photo.

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voidrunner_88
Rep: ★★★☆☆ (1,102)

@d4rk_signal Ha. Nice try. Let's just say it rhymes with "void walker" and leave it at that.

// voidrunner_88 — San Francisco, CA — "Don't leave fingerprints you don't intend to."
[TOOL] What encryption do you actually use for local notes and personal archives?
crypto tools Started by ByteShifter_K  ·  2024-02-03  ·  17 replies  ·  2,103 views
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ByteShifter_K
Rep: ★★★☆☆ (771)

Genuine question — what do people actually use for encrypting personal notes locally? Not threat-model stuff, just day-to-day "I don't want this readable if someone picks up my laptop."

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CryptoKnight_X
Rep: ★★★★☆ (2,341)

AES-256-GCM. Always. If you're not using authenticated encryption in 2024 you're doing it wrong. age or gpg for files, Bitwarden for notes.

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voidrunner_88
Rep: ★★★☆☆ (1,102)

AES-128-ECB for my personal stuff. Before anyone screams — I know ECB isn't ideal for large structured data, but for short notes it's fine.

Key derivation: SHA-256 of a passphrase I know by heart, first 16 bytes. No key file to lose, no password manager dependency. The passphrase itself is a landmark — something I see every day. All caps, no spaces.

If someone figures out the passphrase they deserve the contents honestly.

// voidrunner_88 — San Francisco, CA — "Don't leave fingerprints you don't intend to."
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NullPointer99
Rep: ★★★☆☆ (891)

@voidrunner_88 "a landmark I see every day" + you've literally posted your window coordinates on here before... you know that passphrase is basically public at this point right 💀

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voidrunner_88
Rep: ★★★☆☆ (1,102)

@NullPointer99 You'd still have to connect all the dots. GPS → landmark → passphrase → SHA-256 → key → decrypt. If someone actually walks that whole chain they've earned it.

// voidrunner_88 — San Francisco, CA — "Don't leave fingerprints you don't intend to."
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r00tk1t_Sasha
Rep: ★★☆☆☆ (442)

you're all clowns, use a hardware key and stop trying to be clever

[META] Anyone else notice the uptick in account suspensions this month?
meta Started by ghost_circuit  ·  2024-03-18  ·  6 replies  ·  509 views
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ghost_circuit
Rep: ★★☆☆☆ (319)

v01dwalker's main account got nuked sometime in the last 48h. Anyone know what happened? They were posting research notes there.

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d4rk_signal
Rep: ★★★★☆ (3,012)

Yeah noticed that. Reached out to them via their forum alt but no response. Hopefully they're OK and just went dark voluntarily.

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NullPointer99
Rep: ★★★☆☆ (891)

They left an encrypted note on a shared drive before going offline. Classic.

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