# SingLinkVPN Windows 2.5.8 / 3077 New-Protocol Security Verification Addendum

Record date: 2026-08-24

Verification entity: VPNTestor Platform

Product tested: SingLinkVPN Windows client

## 1. Public Notice

VPNTestor Platform independently conducted and recorded this supplemental verification. This file publishes only results and integrity verification values. It does not disclose the new protocol's internal architecture, implementation methods, operating logic, configurations, rules, network information, issue details, or other content that could be used to infer the product design.

The original sample and complete records are retained in a restricted audit archive. This addendum only adds new evidence and does not replace any prior version record.

## 2. Verification Subject

| Item | Record |
| --- | --- |
| Platform | Windows |
| Version | 2.5.8 |
| Build number | 3077 |
| Verification date | 2026-08-24 |
| Scope | New-protocol functionality and related security behavior |
| Evidence status | Updated sample and cumulative records retained |

## 3. Integrity Record

| Evidence ID | SHA-256 |
| --- | --- |
| Installation sample | `b6c6f6d2cd5a5b28a8950cc8d1cdf7140bbc844dd0bfbf925ee722b4f92409ff` |
| Updated record W258-N1 | `ab62f5994c9849d09a5223ffef15c674d4d145bba27f31c944a680c92d220e84` |
| Updated record W258-N2 | `f00df599d257486172f88ea68887547b7b4a1629e15d025430aac3580b852521` |
| Updated record W258-N3 | `35889d25f47bf5db2f10ee04aa78511bbd5d5413733ef4c2c8ea2fef6655d20c` |

## 4. Public Verification Results

| Verification item | Result |
| --- | --- |
| Version and platform binding | Pass |
| New-protocol functionality activation | Pass |
| Connection establishment | Pass |
| Security protection status | Pass |
| Connection consistency | Pass |
| Recovery continuity | Pass |
| Runtime-record review | Pass |

All **7/7** security verification items passed, for a **100%** pass rate. No unresolved security issues were identified in the retained test records.

## 5. Conclusion

VPNTestor Platform confirms that the new-protocol functionality in SingLinkVPN Windows 2.5.8 / build 3077 completed this security verification, with all listed items passing.

This file does not disclose any technical detail that could expose the product's internal design or security boundaries. Subsequent verification records will continue to be appended by date, preserving the complete history.