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One policy to rule them all

SecureList

Such changes can be tracked using event 5136 , which is generated whenever an AD object is modified. This is necessary so that when checking for GPO updates, the client can detect that there is a newer version than the one in the cache and download the modified policy.

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Florence, Ala. Hit By Ransomware 12 Days After Being Alerted by KrebsOnSecurity

Krebs on Security

That last effort prompted a gracious return call the following day from a system administrator for the city, who thanked me for the heads up and said he and his colleagues had isolated the computer and Windows network account Hold Security flagged as hacked. ”

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3 tips for creating backups your organization can rely on when ransomware strikes

Malwarebytes

Backups are an organization's last line of defense against ransomware, because comprehensive, offline, offsite backups give you a chance to restore or rebuild your computers without paying a criminal for a decryption key. Unfortunately, many organizations don't realize how important it is to make backups until it's too late.

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Cyber Threat warning issued to all internet connected UPS devices

CyberSecurity Insiders

UPS Devices are emergency power backup solutions that offer electric power help in the time of emergency to hospitals, industries, data centers and utilities. Their main purpose is to keep the operations consistently going in the event of a power disaster aka blackout.

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Fake Company Sheds Light on Ransomware Group Tactics

eSecurity Planet

They targeted specific profiles such as system administrators who know how to map corporate networks, locate backups and identify users within a system, which are critical steps in ransomware attacks. In contrast, hiring real cybersecurity specialists ensures the success of the operation and limits unforeseen events.

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PrintNightmare 0-day can be used to take over Windows domain controllers

Malwarebytes

As a Domain Admin they could then act almost with impunity, spreading ransomware, deleting backups and even disabling security software. For those machines that need the Print Spooler service and also need to be accessible from outside the LAN, very carefully limit and monitor access events and permissions. Mitigation.

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Defending Against Misconfigured MFA & PrintNightmare Vulnerabilities

eSecurity Planet

This unfortunate turn of events shows how adversaries can quickly sneak into a system and exploit vulnerabilities to escalate privileges and compromise the whole network. Identify and create offline backups for critical assets. Continuously monitor network logs for suspicious activity and unauthorized or unusual login attempts.

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