1. Forum
  2. USENET
  3. sci.electronics.basics

  • Detecting eavedropping devices in PC parts?

    From Mr. Man-wai Chang@toylet.toylet@gmail.com to alt.comp.hardware.pc-homebuilt,alt.engineering.electrical,sci.electronics.basics,sci.electronics.repair on Sun Feb 19 00:08:54 2023
    From Newsgroup: sci.electronics.basics


    Is there an easy way to check wehther a certain PC component has
    eavedropping device ATTACHED? :)
    --- Synchronet 3.21d-Linux NewsLink 1.2
  • From Sjouke Burry@burrynulnulfour@ppllaanneett.nnll to alt.engineering.electrical,sci.electronics.basics on Sat Feb 18 19:10:47 2023
    From Newsgroup: sci.electronics.basics

    On 18.02.23 17:08, Mr. Man-wai Chang wrote:

    Is there an easy way to check wehther a certain PC component has
    eavedropping device ATTACHED? :)

    No.
    --- Synchronet 3.21d-Linux NewsLink 1.2
  • From whit3rd@whit3rd@gmail.com to sci.electronics.basics on Wed Feb 22 22:08:53 2023
    From Newsgroup: sci.electronics.basics

    On Saturday, February 18, 2023 at 8:09:06 AM UTC-8, Mr. Man-wai Chang wrote:
    Is there an easy way to check wehther a certain PC component has eavedropping device ATTACHED? :)

    Well, kinda. Just make a repetitive sound and check the power drain in the
    PC to see if it induces a repetitive current draw. In other words,
    measure correlation over a long term. Other than a microphonic
    component, it's not likely this test will find a correlation there.

    That assumes that there's no store-and-forward internal element, and that
    PC operational 'noise' isn't dominant (over the long term, like hours, noise will average to zero).
    --- Synchronet 3.21d-Linux NewsLink 1.2
  • From chuck@donnyduck@gmail.com to sci.electronics.basics on Mon Mar 13 09:53:37 2023
    From Newsgroup: sci.electronics.basics

    On 23/02/2023 1:08:53 a.m., whit3rd wrote:
    On Saturday, February 18, 2023 at 8:09:06 AM UTC-8, Mr. Man-wai Chang wrote:
    Is there an easy way to check wehther a certain PC component has
    eavedropping device ATTACHED? :)

    Well, kinda. Just make a repetitive sound and check the power drain in the PC to see if it induces a repetitive current draw. In other words,
    measure correlation over a long term. Other than a microphonic
    component, it's not likely this test will find a correlation there.

    That assumes that there's no store-and-forward internal element, and that
    PC operational 'noise' isn't dominant (over the long term, like hours, noise will average to zero).

    This suggestion has unlikely assumptions that voltage input remains
    constant which affects power consumption more than the repetitive
    sounds, also browser background activities are not random and active tab dependent which is user dependent, seasonal and many other non-random
    cycles that will send anyone chasing skinny rats like finding ET on SETI.
    --- Synchronet 3.21d-Linux NewsLink 1.2