Originally published on lavkesh.com
Verizon's DBIR report that 44% of breaches are caused by stolen credentials got me thinking about Postgres's approach to authentication. I was struck by how different it was from other databases I'd worked with.
Postgres uses a separate authentication system, rather than relying on the operating system's authentication mechanisms. This flexibility is great, but it requires careful configuration.
On a project storing sensitive data, we used a combination of SSL certificates and password authentication to ensure only authorized users could access it. It was work-intensive, but effective.
Postgres's default password hashing algorithm is relatively simple, which isn't ideal. However, you can configure it to use more secure algorithms like bcrypt or PBKDF2 to protect user passwords.
Working with Postgres, I've come to appreciate its authentication handling. It's not always straightforward, but it's worth the effort, especially considering the 44% breach statistic.
Of course, there are trade-offs. The added complexity can make it harder to manage and maintain, especially for smaller teams. But overall, I think the benefits outweigh the costs.
Reading through the Postgres source code shows the attention to detail the developers brought to the authentication system. They've thought carefully about potential risks and tried to mitigate them.
Postgres uses 'roles' to manage access, defining a set of privileges a user has. You can assign multiple roles to a single user, making it a powerful way to manage access.
Even with precautions, breaches can happen. The 44% figure is a reminder that no matter how careful we are, there's always a chance something will go wrong.
Finding a balance between security and usability is key. Postgres shines here, offering flexibility to configure the authentication system while providing high security out of the box.
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