Security

How CVE-2018-19039 Affects Percona Monitoring and Management

CVE-2018-19039

Grafana Labs has released an important security update, and as you’re aware PMM uses Grafana internally. You’re probably curious whether this issue affects you.  CVE-2018-19039 “File Exfiltration vulnerability Security fix” covers a recently discovered security flaw that allows any Grafana user with Editor or Admin permissions to have read access to the filesystem, performed with the […]

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WiredTiger Encryption at Rest with Percona Server for MongoDB

wired-tiger-encryption

Encryption has become an important function in the database industry, as most companies are taking extra care to keep their data safe. It is important to keep the data safe on disk as well as when it is moving in the network. This restricts any unauthorized access to the data. These two types of protection are […]

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Track PostgreSQL Row Changes Using Public/Private Key Signing

PostgreSQL encryption and authorization

Authorisations and encryption/decryption within a database system establish the basic guidelines in protecting your database by guarding against malicious structural or data changes.
What are authorisations?
Authorisations are the access privileges that mainly control what a user can and cannot do on the database server for one or more databases. So consider this to be like […]

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Backing up Percona Server for MySQL with keyring_vault plugin enabled

Percona XtraBackup with keyring_vault

To use Percona XtraBackup with keyring_vault plugin enabled you need to take some special measures to secure a working backup. This post addresses how to backup Percona Server for MySQL with keyring_vault plugin enabled. We also run through the steps needed to restore the backup from the master to a slave.
This is the second […]

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Securing PostgreSQL as an Enterprise-Grade Environment

PostgreSQL enterprise-grade security

In this post, we review how you can build an enhanced and secure PostgreSQL database environment using community software. We look at the features that are available in PostgreSQL that, when implemented, provide improved security.
As discussed in the introductory blog post of this series, in our webinar of October 10, 2018 we highlight important […]

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Using the keyring_vault Plugin with Percona Server for MySQL 5.7

keyring_vault store database encryption keys

This is the first of a two-part series on using the keyring_vault plugin with Percona Server for MySQL 5.7. The second part, Backing up Percona Server for MySQL with keyring_vault plugin enabled, walks through how to use Percona Xtrabackup to backup from this instance and restore to another server and set it up as a slave […]

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Encryption of the InnoDB System Tablespace and Parallel Doublewrite Buffer

encryption of InnoDB tablespace parallel doublewrite buffer

In my last post I compared data at-rest encryption features available for MySQL and MariaDB. As noted at the time, some of the features available for Percona Server for MySQL were in development, and the latest version (5.7.23) sees two of them released as ALPHA quality.
Encrypting the InnoDB system tablespace
The first of the new […]

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Using ProxySQL to connect to IPv6-only databases over IPv4

connect to ipv6 database from ipv4 application using proxysql

It’s 2018. Maybe now is the time to start migrating your network to IPv6, and your database infrastructure is a great place to start. Unfortunately, many legacy applications don’t offer the option to connect to MySQL directly over IPv6 (sometimes even if passing a hostname). We can work around this by using ProxySQL’s IPv6 […]

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Comparing Data At-Rest Encryption Features for MariaDB, MySQL and Percona Server for MySQL

Encryption at rest MariaDB MySQL Percona Server

Protecting the data stored in your database may have been at the top of your priorities recently, especially with the changes that were introduced earlier this year with GDPR.
There are a number of ways to protect this data, which until not so long ago would have meant either using an encrypted filesystem (e.g. LUKS), […]

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Lock Down: Enforcing AppArmor with Percona XtraDB Cluster

Enforcing AppArmor with Percona XtraDB Cluster

Recently, I wrote a blog post showing how to enforce SELinux with Percona XtraDB Cluster (PXC). The Linux distributions derived from RedHat use SELinux. There is another major mandatory discretionary access control (DAC) system, AppArmor. Ubuntu, for example, installs AppArmor by default. If you are concerned by computer security and use PXC on Ubuntu, […]

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