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AI Tools Crack Down on Wall Street Trader Code Speak (msn.com) 21

Compliance software firms are deploying AI to decode complex trader communications and detect potential financial crimes as Wall Street and London regulators intensify scrutiny of market manipulation.

Companies like Behavox and Global Relay are developing AI tools that can interpret trader slang, emoji-laden messages and even coded language that traditional detection systems might miss, WSJ reports. The technology aims to replace older methods that relied on scanning for specific trigger words, which traders could easily evade. The story adds: Traders believed that "if somebody wanted to say something sketchy, they would just make up a funny word or, you know, spell it backward or something," [Donald] McElligott (VP of Global Relay) said. "Now, none of that"s going to work anymore."
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AI Tools Crack Down on Wall Street Trader Code Speak

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  • In principle I support this initiative. The problem is, the notorious They are always looking for new tools to detect and prevent dissent from spreading among the people. Rhyming slang [wikipedia.org] started as a way to evade this kind of thing. Maybe it's time to bring it back.
  • by ctilsie242 ( 4841247 ) on Friday January 17, 2025 @01:42PM (#65096891)

    Steganography isn't hard to do. There are always ways to arrange words in some way to get a message across. One could use random spaces, perhaps even wording texts so a space after a comma means one thing, while no space is another. I'm just surprised that this isn't being done yet.

    • Steganography isn't hard to do. There are always ways to arrange words in some way to get a message across. One could use random spaces, perhaps even wording texts so a space after a comma means one thing, while no space is another. I'm just surprised that this isn't being done yet.

      If the "random" spaces are truly random, then they're just noise and won't be useful. If they aren't truly random, then LLM pattern tracking and matching will probably catch them.

      • by Anonymous Coward
        Encrypted data should look like random noise.
  • > Compliance software firms are deploying AI to decode complex trader communications and detect potential financial crimes as Wall Street and London regulators intensify scrutiny of market manipulation

    Isn't Wall Street just one big financial speculatory crime?

  • by Murdoch5 ( 1563847 ) on Friday January 17, 2025 @01:59PM (#65096945) Homepage
    I'm sure you can detect “sell now, shares are dumping” backwards, or with simple replacements. What happens when they are clever? “Are you coming to my house for dinner tonight?” How are you going to convert that into “sell now, shares are dumping”? Anyone smart enough to avoid detection, isn't flipping the words around, they're using generic sensible statements that represent a replacement cipher, or some other technique.
    • by Mal-2 ( 675116 )

      "Are you coming over for dinner?" might also be code for "go check the Draft e-mail in our shared Gmail account with dinner in the subject line" and the actual meaning is not in any single message.

      • Right, but providing you add some steps, and you're careful, it would be difficult to track. Use ProtonMail or Tutamail instead, or, stand up a BBS on a server and only have SSH access, or something cool.
  • by Comboman ( 895500 ) on Friday January 17, 2025 @02:02PM (#65096955)

    My sources at the weather service say the temperature in TuLSA could drop 20 degrees next week, but NeVaDA could hit record highs. Dress appropriately.

  • by Harvey Manfrenjenson ( 1610637 ) on Friday January 17, 2025 @02:04PM (#65096965)

    You can monitor the office software they use to communicate, but what's to prevent them from using throwaway cell phones?

    Also, if they want to evade detection, a pair of traders could use a pre-arranged set of coded signals that changes every day and never repeats. Good luck detecting that.

    • by Anonymous Coward

      what's to prevent them from using throwaway cell phones

      Plausible deniability. The company is required to monitor all communications on their devices/networks. Stuff that's outside of it, can't come back and bite the company's compliance operations... that's what compliance cares about.

  • We really need something like this for use on all politicians !
  • The cake is a lie.

"Mach was the greatest intellectual fraud in the last ten years." "What about X?" "I said `intellectual'." ;login, 9/1990

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