.txt.txt File

The purpose of this feature is to identify, validate, and correctly process files named with the suffix .txt.txt (e.g., report.txt.txt ). It ensures that applications treating these as plain text still parse them correctly, while security systems recognize them as potentially deceptive. 2. Functional Requirements

The system MUST flag .txt.txt files in email attachments or download folders for potential spoofing. 3. Implementation Logic Detection: Scan for file extension regex: ^.*\.txt\.txt$ Handling Rule: .txt.txt

if filename.endswith(".txt.txt"): safe_filename = filename.replace(".txt.txt", ".txt") # Log incident for user warn_user("Double extension detected. Renaming for safety.") Use code with caution. Copied to clipboard The purpose of this feature is to identify,

When a user attempts to save a file as .txt.txt , a warning should appear stating: "The extension '.txt.txt' is unusual. Did you mean '.txt'?" This helps prevent user confusion. To make this feature even better, let me know: Functional Requirements The system MUST flag

Ensure File Open Dialogues include *.txt.txt in the "Plain Text Files" filter. 4. User Experience