Tag Archives: Firewall

Intune Network Endpoint Update for Windows, Mac, Android

Posted on 2025-04-14 by guenni

Quick reminder for administrators who manage devices via Microsoft Intune. Microsoft is changing the URLs for the endpoint with Windows, Mac and Android. Adjustments are required by the end of April 2025. Advertising

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Zyxel disaster: Dead USG FLEX / ATP Series boxes (24.1.2025)

Posted on 2025-01-24 by guenni

[German]Brief information and question to the readers who have Zyxel firewalls in their portfolio as to whether there are any affected parties. It seems to have hit some instances today, January 24, 2025. The "boxes" were put out of operation … Continue reading →

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Password spraying attacks on (Sophos) firewalls from IP 92.53.65.166

Posted on 2024-09-06 by guenni

[English]Brief information for administrators of Sophos firewalls – a reader has informed me that since September 5, 2024, he has been observing increased attempts to attack his Sophos firewalls. And the VPN portal in particular is being flooded with login … Continue reading →

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Device Reboot bricks Zyxel USG FLEX / ATP Series Firewalls (March 2022)

Posted on 2022-03-15 by guenni

[German]The manufacturer Zyxel seems to have a problem with Zyxel USG FLEX / ATP Series Firewalls. With a certain firmware, the Zyxel USG FLEX / ATP Series Firewall can no longer boot successfully and hangs. The manufacturer warns about the … 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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Why ISL Online: Critical factors when choosing a remote desktop solution

[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...

Vulnerability in Palo Alto Networks Firewalls

Posted on 2017-12-17 by guenni

[German]Here's a security information for administrators using Palo Alto Networks firewalls with PAN-OS . In PAN-OS there are several critical bugs, which enables attackers to gain remote root access to the firewalls. 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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