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securebit-chat/SECURITY_DISCLAIMER.md
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release: v4.8.13 message integrity & transport hardening
Bumps version to 4.8.13 across package.json, package-lock.json, manifest.json,
index.html, meta.json, README, SECURITY_DISCLAIMER, the site header and the
in-app init banner (previously desynced at 4.8.10/4.8.11/4.8.12).

Ships the security-review fixes already on main:
- removed the over-broad send-path keyword blocklist that silently rejected
  legitimate messages (real XSS defense remains receive-side DOMPurify)
- preserve newlines/tabs/indentation in outgoing message sanitization
- stop logging raw AAD (sessionId + keyFingerprint) on validation failure
- add Strict-Transport-Security and Permissions-Policy headers
- add outgoing-message-integrity regression tests
2026-06-18 17:08:59 -04:00

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# Security Disclaimer and Terms of Use
SecureBit.chat is provided as open-source software for lawful private communication, research, and education. It is supplied **as is**, without warranties of any kind.
## User responsibilities
By using SecureBit.chat, you are responsible for:
- complying with applicable laws and organizational policies
- securing your devices and browser environment
- verifying SAS codes through an out-of-band channel
- understanding that endpoint compromise can defeat application-layer protections
- configuring TURN correctly when relay-only privacy mode is required
## Security limitations
No communication system can guarantee absolute security. SecureBit.chat reduces risk through encrypted transport, mandatory peer verification, explicit file-transfer consent, local metadata protection, and lifecycle cleanup, but it cannot protect against compromised devices, malicious users with physical access, or incorrect operational practices.
## Intended use
SecureBit.chat is intended for legitimate private communication, journalism, research, education, business confidentiality, and personal privacy. It is not intended to facilitate unlawful activity, abuse, harassment, or harm.
## Current release
- Product release: `v4.8.13`
- Protocol version: `4.1`
- Last updated: May 17, 2026