Tag: digital forensics
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Cyber Attack From Texas Advanced Computing Center (University of Texas at Austin)
By LeRoy Nellis Executive Summary This article documents and analyzes a server-side interaction originating from institutional computing infrastructure operated by the Texas Advanced Computing Center (TACC) at the University of Texas at Austin. The activity was logged through a web form backend and traces directly to the IP address 129.222.253.12. The technical characteristics of the…
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If Williamson County Is Using NCIC/Securus to Hack, Steal, or Destroy Personal Data — How Can Any Evidence Survive Court?
By LeRoy Nellis Let’s cut to the core issue the courts cannot dodge: If a law-enforcement agency participates in or benefits from unlawful digital intrusion, surveillance, or data manipulation, how can any evidence tied to that ecosystem be admissible in court? This isn’t a conspiracy theory. It’s a constitutional and evidentiary problem. The Players in…
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The Password Problem No One Is Answering (At one trillion guesses per second (10¹²) )
Why “They Just Hacked It” Is Not a Serious Explanation Consider the following password: Uk$&5SlV[sSkGlAqP@.%ysP&!5M)vv6iD!D^~j5,0.nAN^#[JbxX9t?DHhVa15U_i6lBdsPJXjMAe8k28Znbr3ygwB_9Rap0[e That is a 100-character password, composed of uppercase letters, lowercase letters, numbers, and special symbols—drawn from the full printable ASCII character set. This password is not used alone. It is paired with Google Authenticator, Google’s official time-based one-time password (TOTP)…
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RE: Formal Complaint — Cyber Intrusion, Data Tampering, Evidence Destruction, and Retaliation Connected to the Williamson County Sheriff’s Office
LeRoy Nellis II 4845 Twin Valley Dr.Austin, TX 78731Email: LeRoyNellis2@gmail.comPhone: (512) 450-1533 November 15, 2025 Federal Bureau of Investigation Cyber Division – Criminal Intrusion Section 935 Pennsylvania Avenue NWWashington, DC 20535–0001 RE: Formal Complaint — Cyber Intrusion, Data Tampering, Evidence Destruction, and Retaliation Connected to the Williamson County Sheriff’s Office To Whom It May Concern:…
LeRoy Nellis 