CATO Networks

MARCH 22, 2023

An attacker can craft a.MSG file as a e form of a calendar invite that triggers an authentication attempt over the SMB protocol to an attacker-controlled endpoint without any user interaction. (.MSG Only SMB sessions terminating at known, trusted servers should be allowed.

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SMB Firewall SASE Email 52

CATO Networks

MARCH 24, 2020

At the beginning of the month, Microsoft released an advisory and security patch for a serious Windows Server Message Block (SMB) vulnerability called the Windows SMBv3 Client/Server Remote Code Execution Vulnerability (AKA Windows SMBv3 RCE or CVE-2020-0796). Windows SMBv3 RCE isnt the first vulnerability in SMB.

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SMB Port Server Protocol 52

CATO Networks

MAY 15, 2017

But what makes the attack so unusually virulent is how it exploits a vulnerability in the Windows SMB protocol. SMB is used by Windows machines for sharing files and the ransomware uses SMB to spread to other vulnerable devices on a network. Disrupt WannaCrypt communications with the Internet Firewall.

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SMB Cloud Server Firewall 52

CATO Networks

AUGUST 18, 2022

Internet Firewall Rules enforce company-driven access policies to Internet websites and apps based on app name, category, port, protocol and service. All security engines ( IPS , Anti-Malware, Next-Generation Anti-Malware) are enabled globally and scan all ports and protocols with exceptions created only when needed.

SASE 52

SASE Cloud Port Firewall 52