[Security Center] Update security insight table

Author: Maddy-Cloudflare

src/content/docs/security-center/security-insights/index.mdx

@@ -42,6 +42,8 @@ Listed below are the specific insights currently available:
 | [Unproxied `AAAA` Records](/dns/manage-dns-records/reference/dns-record-types/#a-and-aaaa)                                          | This DNS record is not proxied by Cloudflare. Cloudflare can not protect this origin because it is exposed to the public Internet.                                                                                                                     |
 | [Unproxied `CNAME` Records](/dns/manage-dns-records/reference/proxied-dns-records/#dns-only-records)                                | This DNS record is not proxied by Cloudflare. Cloudflare can not protect this origin because it is exposed to the public Internet.                                                                                                                     |
 | [Users without MFA](/fundamentals/setup/account/account-security/2fa/)                                                              | We detect that a Cloudflare administrative user has not enabled multifactor authentication.                                                                                                                                                            |
-| [Zones without WAF Managed Rules](/waf/managed-rules/)                                                                              | We detect that this domain does not have the WAF's Managed Rules enabled. You are at risk from zero-day and other common vulnerabilities.                                                                                                              |
+| [Zones without WAF Managed Rules](/waf/managed-rules/)                                                                              | We detect that this domain does not have the WAF's Managed Rules enabled. You are at risk from zero-day and other common vulnerabilities.
+| [No Turnstile enabled](/turnstile/)                                                                                        | We detect that there is no Turnstile widget configured on the account.
+
 
 For more information on available operations for Security Insights, refer to [Review Security Insights](/security-center/security-insights/review-insights/).