Preventing automated attacks on Tokens without relying on Firewall or Network Infrastructure

Our concern is more on application side prevention automated attacks. Although the firewall does it part to help prevent this, it has been mandated in our development team’s security practices that we need a 2nd level of protection. Soluti… Continue reading Preventing automated attacks on Tokens without relying on Firewall or Network Infrastructure

Is it a possible vulnerability / GDPR violation if basic profile of users are enumerable through the URL?

If a website uses an auto-incrementing user-id in its url – /users/1, /users/2 to showcase public user profiles (just the name + photo / avatar) is it considered a possible vulnerability?

Continue reading Is it a possible vulnerability / GDPR violation if basic profile of users are enumerable through the URL?

Why would an attacker try SMTP login many times even though it is disabled?

I recently set up an SMTP server for myself to use, and I am getting some traffic from two IP addresses and none else (though for obvious reasons I will not state the addresses here).

An example session (which, in fact, repe… Continue reading Why would an attacker try SMTP login many times even though it is disabled?

Dealing with violating privacy of registered users during failed authentication

We are forth and back discussing how to deal with privacy issues during failed authentication, password reset and account creation on a web application.

Let’s say I am in the process of creating an account on an application … Continue reading Dealing with violating privacy of registered users during failed authentication

Is the common recommendation to obscure the existance of a username on login just security theater?

It is a common recommendation to return “Username or password is incorrect” instead of “Username does not exist” when the given username does not exist and “Password is incorrect” when username exists but password is wrong.

Continue reading Is the common recommendation to obscure the existance of a username on login just security theater?