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CVE-2020-0796: "Wormable" Remote Code Execution Vulnerability in Microsoft Server Message Block SMBv3 (ADV200005)

Tenable

Successful exploitation of the vulnerability would grant the attacker arbitrary code execution in both SMB Server and SMB Client. In addition to disabling compression, Microsoft advises blocking inbound and outbound traffic on TCP port 445 on the perimeter firewall.

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We're Honored to Be Recognized Again! A Leader 11 Straight Times

Palo Alto Networks

On December 22, 2022, Gartner named Palo Alto Networks a Leader for the eleventh consecutive time in its GartnerĀ® Magic Quadrant™ for Network Firewalls for 2022. IoT Security integrates with our next-generation firewalls to dynamically discover and maintain a real-time inventory of the IoT devices on the network.

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The Dangers of Client Probing on Palo Alto Firewalls

Coalfire

Much to my surprise, I found that shortly after running it, a hash was captured by Responder’s SMB listener. While performing a routine internal penetration test, I began the assessment by running Responder in analyze mode just to get an idea of what was being sent over broadcast.

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Cybersecurity Snapshot: Log4j Anniversary, CI/CD Risks, Infostealers, Email Attacks, OT Security

Tenable

4 - Cybersecurity looms large in SMB software purchases. Heightened concerns among small and medium size businesses (SMBs) in the U.S. The ā€œIT architecture and security softwareā€ category topped all others in 2022 SMB purchases. Drivers for SMB software purchases. SMB Software Buying Report,ā€ November 2022).

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Microsoftā€™s April 2022 Patch Tuesday Addresses 117 CVEs (CVE-2022-24521)

Tenable

Windows SMB. Patching is the best approach to fully address this vulnerability; however, if patching is not feasible, Microsoft recommends blocking TCP port 445 on the perimeter firewall to mitigate attempts to exploit this flaw. Windows Media. Windows Network File System. Windows PowerShell. Windows Print Spooler Components.

Windows 98
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5 More Ways to Improve the Security of Your Business

Kaseya

The impact of a data breach can be devastating to an SMB. Some small companies still lack basic IT security defenses such a s setting up a firewall with URL filtering and malicious site blocking , DNS filtering , network segmentation , and deployment of security clients (anti-virus and anti-malware) to all of their endpoints.

Malware 91
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Busted by Cortex XDR: a True Story of Human Intuition and AI

Palo Alto Networks

On March 17, our webinar ā€œ Leverage Your Firewall to Expose Attackers Hiding in Your Network ā€ webinar will share tips on using Cortex XDR to discover network threats. Our MTH analysts ran backend queries searching in Cortex Data Lake to look at network traffic and server message block (SMB) file transfers over network shares.