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CVE-2016-8655 Five-Year-Old Linux Kernel Local Privilege-Escalation Vulnerability Discovered

A five-year-old serious privilege-escalation vulnerability has been discovered in the Linux kernel that affects almost every distro of the Linux operating system, including Red Hat and Ubuntu. Back in October, a nine-year-old privilege-escalation vulnerability, dubbed Dirty COW was discovered in the Linux kernel that affected every distro of the open-source operating system, including Red Hat, [...]

By | December 7th, 2016|Linux, Security|

How To Reset Active Directory User Password Expiration Date

Active Directory account passwords are usually set to expire (for example: every 90 days) in most organizations. Configuring an AD account with PasswordNeverExpires is not recommended due to security. There might be a time where you need to extend an active directory account’s current password expiration date without changing the password expiration policy or changing [...]

By | November 4th, 2016|System Administration, Windows|

How To Patch Linux Kernel Zero Day DirtyCow Vulnerability CVE-2016-5195

A zero-day local privilege escalation vulnerability has been found in the Linux kernel that has existed since 2005, being called DirtyCow. This bug affects a large number of popular Linux distros as well as Android devices. By exploiting the DirtyCow vulnerability, any user can become root (admin) in less than 5 seconds. The vulnerability has [...]

By | October 21st, 2016|Linux, Security, System Administration, Zero-Day|

How To Backup, Restore, and Import Group Policy Objects

As a Systems Administrator, you've probably worked with Group Policy before, especially if you're in a Microsoft Windows environment. Group Policy allows you to push out settings to multiple computers on an Active Directory domain network. If you work with multiple domains, there may be a time where you want to migrate some Group Policy [...]

By | October 20th, 2016|System Administration, Windows|

Get A Report Of Active Directory User Accounts Whose Passwords Never Expire

As a Systems Administrator, it is always a good security measure to audit your Active Directory accounts on a regular basis. Tools like Netwrix can help automate this process by sending you daily reports. Interactive user accounts should always have passwords follow the password policy. On the other hand, you don't want a service account [...]

By | October 10th, 2016|System Administration, Windows|
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