Friday, June 20th, 2008

Mass SQL Injection attack is still out there

Well, it was an interesting day today for us in Sentrigo. One of our customers was being attacked by this mass SQL injection and since our software identified the attack he came to us to help him cope with the situation. As explained in other places, the attack takes advantage of vulnerable web sites and [...]

6 Comments » - Posted in MS SQL Server, SQL injection, security by Slavik

Monday, June 2nd, 2008

So, you think you’ve removed that sensitive data (part II)

As I wrote in a previous post, truncating tables or scrambling content might not remove the actual data from the datafiles. The examples I gave in that post were Oracle related and now I’ll show the same using MS SQL Server 2005. I’d like to thank Dmitriy Geyzerskiy for providing the actual working example.
create database [...]

No Comments » - Posted in DBA, MS SQL Server, insider threat, security, technical tips by Slavik

Monday, May 26th, 2008

Weird MS SQL Server bug

A somewhat technical post on MS SQL Server encrypted triggers.
It turns out that MS SQL Server 2005 has an issue with encrypted triggers in the model database. We’ve created an encrypted database level trigger on DDL operations in all databases including the model database so that when a new database is created the trigger will [...]

1 Comment » - Posted in DBA, MS SQL Server, technical tips by Slavik