diff --git a/src/data/roadmaps/cyber-security/content/authentication-vs-authorization@WG7DdsxESm31VcLFfkVTz.md b/src/data/roadmaps/cyber-security/content/authentication-vs-authorization@WG7DdsxESm31VcLFfkVTz.md
index a9ac9b7a8b9b..d9ea8deed91d 100644
--- a/src/data/roadmaps/cyber-security/content/authentication-vs-authorization@WG7DdsxESm31VcLFfkVTz.md
+++ b/src/data/roadmaps/cyber-security/content/authentication-vs-authorization@WG7DdsxESm31VcLFfkVTz.md
@@ -5,7 +5,7 @@
 **Authorization** comes into play after the authentication process is complete. It involves granting or denying access to a resource, based on the authenticated user's privileges. Authorization determines what actions the authenticated user or entity is allowed to perform within a system or application.
 
 - [@article@Two-factor authentication (2FA)](https://authy.com/what-is-2fa/)
-- [@article@Biometrics (fingerprint, facial recognition, etc.)](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5428991/)
+- [@article@Biometrics (fingerprint, facial recognition, etc.)](https://me-en.kaspersky.com/resource-center/definitions/biometrics)
 - [@article@Security tokens or certificates](https://www.comodo.com/e-commerce/ssl-certificates/certificate.php)
 - [@article@Role-based access control (RBAC)](https://en.wikipedia.org/wiki/Role-based_access_control)
 - [@article@Access Control Lists (ACLs)](https://en.wikipedia.org/wiki/Access-control_list)
diff --git a/src/data/roadmaps/cyber-security/content/understand-common-exploit-frameworks@Lg7mz4zeCToEzZBFxYuaU.md b/src/data/roadmaps/cyber-security/content/understand-common-exploit-frameworks@Lg7mz4zeCToEzZBFxYuaU.md
index ddf48201347a..dde03d8ecdbe 100644
--- a/src/data/roadmaps/cyber-security/content/understand-common-exploit-frameworks@Lg7mz4zeCToEzZBFxYuaU.md
+++ b/src/data/roadmaps/cyber-security/content/understand-common-exploit-frameworks@Lg7mz4zeCToEzZBFxYuaU.md
@@ -6,5 +6,4 @@ Learn more from the following resources:
 
 - [@official@Metasploit Framework](https://www.metasploit.com/)
 - [@official@Core Impact](https://www.coresecurity.com/)
-- [@official@Immunity Canvas](www.immunitysec.com)
-- [@video@Metasploit for Beginners](https://www.youtube.com/watch?v=8lR27r8Y_ik)
\ No newline at end of file
+- [@video@Metasploit for Beginners](https://www.youtube.com/watch?v=8lR27r8Y_ik)