| Course | AC468 Digital Forensics and Investigative Techniques |
|---|---|
| Unit | Unit 1 |
| Paper type | Discussion board post |
| Length | About 380 words, 2 pages double-spaced |
| Format | APA 7 discussion post |
| School | Purdue University Global |
| Program | BS in Accounting |
| Updated | October 2026 |
Free sample paper for AC468 Unit 1
A Letter on a Laptop and Three Hurdles Before Court: A Unit 1 Post on What Makes a File Usable as Evidence
AC468 · Unit 1 Discussion
Posted by [Student Name]
Belmonte Fine Foods, its supplier and every detail are composite; the rules and guide cited are real.
Initial Post
The file is a letter, apparently from Belmonte's olive oil supplier in Andalusia, announcing new bank details. A payment of $186,450 later went to the new account. The letter's wording may look damning, but on its own it proves nothing, because nobody yet knows where it came from, when it was made or whether it has changed since.
Authentication comes first. The rule requires evidence sufficient to support a finding that the item is what its proponent claims it is (Federal Rules of Evidence, 2023). For a file, that means showing where it was found and how it got there, which for a laptop means the device, the account and the path.
Integrity follows. When the laptop was imaged, the examiner computed a hash value, a fixed-length fingerprint of the drive's contents. Computing the same value later from the image shows that not a single bit has changed. Since 2017, a qualified person's written certification of that process can stand in for live testimony about it.
A hash proves the copy matches what was acquired, and custody proves what happened before and after acquisition, so a file becomes usable only when both are documented and neither is assumed.
Custody closes the chain: the documented path from the employee's desk to the examiner, with every handoff recorded. A gap there invites the question of whether someone opened or altered the file before it was imaged (Kent et al., 2006).
None of this settles whether the letter is relevant or whether it is hearsay. Those are separate questions a court decides after the file is accepted as genuine.
Reply to Marco
Marco, you said the hash alone is enough. What would a hash tell the court about the week the laptop sat on the IT manager's desk before imaging?
Reply to Hannah
Hannah, your point about metadata is a good one. Would the author field in the letter's properties prove who wrote it, or only whose copy of Word saved it?
References
Federal Rules of Evidence. (2023). Article IX: Authentication and identification. Federal Rules of Evidence.
Kent, K., Chevalier, S., Grance, T., & Dang, H. (2006). Guide to integrating forensic techniques into incident response (NIST Special Publication 800-86). National Institute of Standards and Technology. https://doi.org/10.6028/NIST.SP.800-86
Reading the AC 468 Unit 1 instructions
The first AC468 board asks you to explain what makes a digital file usable as evidence. Start from a concrete item rather than the rules in the abstract, so each requirement has something to apply to. Explain authentication: the proponent must offer enough to support a finding that the file is what it is claimed to be. Explain integrity, meaning how hash values computed at acquisition and later show the copy is unchanged, and mention the certification route that can replace live testimony. Explain custody as the documented path between the original location and the examiner. Note which questions remain open after all three are met, such as relevance and hearsay. Each reply ought to push on one thing a peer asserted, asking what the item in question could really establish. Cite the evidence rules and one forensic guide in APA 7.
Inside the AC468 Unit 1 example
The sample opens on the letter itself and states that its wording proves nothing until three things are shown. Authentication comes next, tied to the device, account and path where the file sat. Integrity follows with a plain explanation of a hash as a fingerprint of the drive's contents and the 2017 certification rule. The highlighted sentence links the technical proof to the procedural one, so a file is usable only when both are documented. Custody closes the initial post with the risk of an unexplained gap. A final paragraph separates acceptance as genuine from relevance and hearsay. The reply to Marco asks what a hash could say about the week the laptop sat on a desk; the reply to Hannah asks whether an author field identifies a writer.
Reading the AC468 Unit 1 grading rubric
Points on this first AC468 post go to accuracy about the evidence rules and to keeping the three requirements distinct. Posts that blur authentication with integrity, or treat a hash as proof of authorship, lose marks quickly. The rubric rewards a concrete item that every requirement is applied to, rather than a summary of rules. Graders expect the student to know where each requirement comes from and to recognize what is still unresolved once all three are met. Replies earn their points by advancing the discussion; agreement alone scores low, while a precise question that exposes a gap in a classmate's reasoning scores well. Citations in APA 7 for the rules and a recognized guide are expected even in a short post, and posting on time counts in most sections.
AC468 Unit 1 help: mistakes that cost points
A frequent weak spot is reciting the Federal Rules without applying them to a file, which reads as copied rather than understood. Another is claiming that a matching hash proves a document is genuine, when it proves only that a copy matches what was acquired. Some posts skip custody, or mention it without saying what a gap would let the other side argue. Others forget that relevance and hearsay are separate questions decided after authentication. Replies often praise a classmate instead of testing the claim. If your section supplied its own scenario, such as a phone or a cloud file, our writers can rebuild the post around that item, keeping the three requirements and the replies your instructor expects.
Get an AC468 Unit 1 example written to your instructions
Whatever scenario a section attaches to the Unit 1 board becomes the post's subject, so paste it into the request with the prompt and the rubric, noting the jurisdiction if the rules are not federal. The first custom post is free and returned in 24-48h; replies follow if the board expects them. The paper above is an original model document written by our desk, not a submitted student paper and not an official Purdue University Global document.
More AC468 papers and BS in Accounting samples
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- AC468 Unit 9: Electronic Discovery Memo
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AC468 Unit 1 questions, answered
What is Federal Rule of Evidence 902(14)?
It is the rule, added in 2017, that makes data copied from an electronic device or file self-authenticating when a qualified person certifies that it was verified by a process of digital identification, usually hash values. Notice must be given to the other side, which can still challenge the certification. The post cites it as coursework analysis, not legal advice.
Does a matching hash prove a file is genuine?
No. A matching hash proves that the copy is identical to what was acquired. It says nothing about who created the file, whether its contents are true or whether someone altered it before acquisition. That is why the post keeps authentication and integrity apart, and why custody before imaging matters as much as the hash itself.
Can the post use my section's scenario?
Yes. Paste the scenario and prompt exactly as given, the rubric, and the jurisdiction if your section uses state rules. The post is rebuilt around your facts, applying authentication, integrity and custody to the specific item your prompt describes, and replies are written to the classmates' points you paste in.
Where can I find a free AC468 Unit 1 sample paper?
This page holds a full AC468 Unit 1 discussion board post on a bank-change letter at Belmonte Fine Foods covering authentication, integrity and custody, with two replies and APA 7 references.
Is a screenshot of a file enough to authenticate it?
Rarely on its own. A screenshot shows how a file looked on one screen but not where the file came from, when it was made or whether it changed. Authentication normally needs testimony or records tying the item to its source, which is why the post builds custody alongside the hash.