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How To Fix MySQL Table mysql.plugin Doesn’t Exist

I recently had an issue on a MySQL Database Server where running apt-get upgrade to upgrade the MySQL package on the server would result in an error about the table 'mysql.plugin' doesn't exist. I believe the issue started on this server after I changed the datadir in my.cnf and I moved the database directory to [...]

By | 2017-01-20T12:47:52+00:00 January 20th, 2017|Categories: System Administration|Tags: , , , , , , , , |2 Comments

How To Harden MongoDB Server

MongoDB is "a document database that provides high performance, high availability, and easy scalability". In this chapter of our InfoSec System Hardening series, we'll walk you through some of the steps you can take to harden your MongoDB database server. You can refer to the MongoDB Server Documentation for more details about the commands and [...]

By | 2017-01-16T15:37:37+00:00 January 17th, 2017|Categories: Security, Server Hardening, System Administration|Tags: , , , , , |0 Comments

New Cerber Ransomware Switches To A Random Extension And Ends Database Processes

A new variant of the Cerber ransomware kills common database-related processes like those of the MySQL, Oracle and Microsoft SQL servers to encrypt files. The most notable change is the switch from the static .Cerber3 extension for encrypted files to a random 4 character extension, the use of a HTA file as the ransom note, [...]

By | 2016-10-16T15:53:22+00:00 October 6th, 2016|Categories: Ransomware, Security|Tags: , , , , , , , |0 Comments

MySQL Zero-Day Allows An Attacker To Take Full Control Of Database

Two zero-day vulnerabilities, CVE-2016-6662 and CVE-2016-6663 that affect all currently supported MySQL versions has been discovered by Polish security researcher, Dawid Golunski. These vulnerabilities allow an attacker to take complete control over the database. While MariaDB and PerconaDB have fixed the vulnerabilities and Oracle has not, the researcher today has gone ahead and published the [...]

By | 2016-10-16T15:53:56+00:00 September 12th, 2016|Categories: Zero-Day|Tags: , , , , , , , , |0 Comments

How-To Write SQL Server Audit Events To Windows Security Log

There are a few options you have if you want to enable audit logging on Microsoft SQL Server. You can write the logs to a .sqlaudit file, but you cannot open these in a simple text editor like Notepad. You would have to use the SQL Log Viewer. In my case, I needed a way [...]