The file has no special protections associated with it.

// ============================================
// POSITIVE CASES (should trigger findings)
// ============================================

void badFileProtectionNone() {
    NSString *filePath = @"/path/to/file";
    NSError *error = nil;
    // VULNERABLE: The file has no special protections associated with it.
    NSDictionary *attributes = @{NSFileProtectionKey: NSFileProtectionNone};
    [[NSFileManager defaultManager] setAttributes:attributes ofItemAtPath:filePath error:&error];
}