docs: Update Security Information

Changelog-None.

Author: ShahanaFarooqui

README.md

@@ -28,7 +28,9 @@ Core Lightning (previously c-lightning) is a lightweight, highly customizable an
 [![Irc][IRC-badge]][IRC]
 
 This implementation has been in production use on the Bitcoin mainnet since early 2018, with the launch of the [Blockstream Store][blockstream-store-blog].
-We recommend getting started by experimenting on `testnet` (or `regtest`), but the implementation is considered stable and can be safely used on mainnet.
+We recommend getting started by experimenting on `testnet` (`testnet4` or `regtest`), but the implementation is considered stable and can be safely used on mainnet.
+
+## Reach Out to Us
 
 Any help testing the implementation, reporting bugs, or helping with outstanding issues is very welcome.
 Don't hesitate to reach out to us on [Build-on-L2][bol2], or on the implementation-specific [mailing list][ml1], or on [CLN Discord][discord], or on [CLN Telegram][telegram], or on IRC at [dev][irc1]/[gen][irc2] channel.

SECURITY.md

@@ -6,19 +6,30 @@ We have a 3 month release cycle, and the last two versions are supported.
 
 ## Reporting a Vulnerability
 
-To report security issues send an email to [email protected], or
-[email protected] (not for support).
+To report security vulnerabilities, please send an email to one of the following addresses:
+- `[email protected]`
+- `[email protected]`
+
+Note: These email addresses are exclusively for vulnerability reporting.
+
+For all other inquiries/communication, please refer to the [Reach Out to Us](https://github.com/ElementsProject/lightning?tab=readme-ov-file#reach-out-to-us) section in our README.
 
 ## Signatures For Releases
 
 The following keys may be used to communicate sensitive information to
 developers, and to validate signatures on releases:
 
-| Name | Fingerprint |
-|------|-------------|
-| Rusty Russell | 15EE 8D6C AB0E 7F0C F999  BFCB D920 0E6C D1AD B8F1 |
-| Christian Decker | B731 AAC5 21B0 1385 9313  F674 A26D 6D9F E088 ED58 |
-| Lisa Neigut | 30DE 693A E0DE 9E37 B3E7  EB6B BFF0 F678 10C1 EED1 |
-| Alex Myers | 0437 4E42 789B BBA9 462E  4767 F3BF 63F2 7474 36AB |
-
-You can import a key by running the following command with that individual’s fingerprint: `gpg --keyserver hkps://keys.openpgp.org --recv-keys "<fingerprint>"` Ensure that you put quotes around fingerprints containing spaces.
+| Name | Email | Fingerprint |
+|------|-------|-------------|
+| Blockstream Security Reporting | `[email protected]` | 1176 542D A98E 71E1 3372  2EF7 4AC8 CC88 6844 A2D6 |
+| Rusty Russell | `[email protected]` | 15EE 8D6C AB0E 7F0C F999  BFCB D920 0E6C D1AD B8F1 |
+| Christian Decker | `[email protected]` | B731 AAC5 21B0 1385 9313  F674 A26D 6D9F E088 ED58 |
+| Lisa Neigut | `[email protected]` | 30DE 693A E0DE 9E37 B3E7  EB6B BFF0 F678 10C1 EED1 |
+| Alex Myers | `[email protected]` | 0437 4E42 789B BBA9 462E  4767 F3BF 63F2 7474 36AB |
+| Peter Neuroth | `[email protected]` | 653B 19F3 3DF7 EFF3 E9D1  C94C C3F2 1EE3 87FF 4CD2 |
+| Shahana Farooqui | `[email protected]` | FE13 58EB 7793 51DB 24E5  555A A327 573C 9758 9BF5 |
+| Blockstream CLN Release | `[email protected]` | 616C 52F9 9D06 12B2 A151  B107 4129 A994 AA7E 9852 |
+
+You can import a key by running the following command with that individual’s fingerprint: 
+`gpg --keyserver hkps://keys.openpgp.org --recv-keys "<fingerprint>"`. 
+Ensure that you put quotes around fingerprints containing spaces.