Tag Archives: Sophos

Sophos XG – Mail delivery blocked by antivirus pattern (Nov. 25, 2021)

Posted on 2021-11-26 by guenni

[German]Brief note to administrators who use Sophos XG as a firewall and security solution. On November 25, 2021, there was probably an update to the antivirus pattern that blocked at least one user from sending mail. The IT administrator in … Continue reading →

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Sophos fixes SQL injection vulnerability in Cyberoam OS

Posted on 2020-12-11 by guenni

[German]Note for people running Sophos firewalls or similar with Cyberoam OS. Sophos has deployed a hotfix for its Cyberoam firewalls and routers to address an SQL injection vulnerability. Advertising

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How to find weak passwords in Active Directory and eliminate them with PowerShell

[Sponsored Post]Weak or compromised passwords are a known gateway for attackers. If you are able to identify which users in Active Directory (AD) are threatened by this, then PowerShell can help to remedy it. However, PowerShell scripts cannot eliminate basic AD deficits, other tools are needed for this. More ...

Chrome 84 & Sophos Authentication for Thin Clients (SATC)

Posted on 2020-07-17 by guenni

[German]A brief note for administrators who use Sophos Authentication for Thin Clients (SATC) in conjunction with a Chromium 84 browser There will be problems with authentication using SATC and the XG firewall. The recommendation is to prevent updating the Chromium … Continue reading →

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Three vulnerabilities in Sophos/Cyberoam firewall technology

Posted on 2020-05-18 by guenni

[German]Security researchers have discovered three vulnerabilities in Cyberoam firewalls (owned by British company Sophos). The vulnerabilities leave millions of devices and, in principle, the entire network vulnerable to security attacks. The products are used in corporate networks and are accessible … Continue reading →

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Stop: Don’t install Sophos UTM 9.703 Firmware

Posted on 2020-04-17 by guenni

[German]Administrators of the Sophos UTM appliance should not install the recently released Sophos UTM 9.703 firmware, as may will cause massive issues. Sophos has pulled this firmware update. Addendum: Sophos confirmed the issues and is testing a fix, that will … Continue reading →

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Sophos RED50: Bug that bricks UTMs found and fixed

Posted on 2020-03-05 by guenni

[German]Good news for administrators using Sophos RED50 devices. The bug in the Sophos UTM version 9.603 software which caused the firmware of the device to crash, leaving it bricked, has been found and fixed via firmware update. Advertising

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Sophos collides with Windows Defender ATP – Fix is coming

Posted on 2019-05-28 by guenni

[German]On Windows 7 and Windows Server 2008 R2, there are sporadic issues when using Sophos anti-virus solutions. Now one possible cause seems to have been found. Here is some background information on what this is all about. Advertising

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TLS-INTERCEPTION: Sophos-Firewall blocks CAs in Google

Posted on 2017-04-22 by guenni

Users of Google Chrome browser are facing trouble visiting HTTPS websites, if a Sophos firewall is used. The browser shows certificate warnings and saying, the the communication isn't private. Advertising

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Sophos Home: A free commercial-grade security for the home

Posted on 2016-06-26 by guenni

Security vendor Sophos offers a free commercial-grade security solution (Sophos Home) for home users. Advertising

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