firewall

How network segmentation can strengthen visibility in OT networks
What role does the firewall play in the protection of operational technology (OT) networks and systems? Many would say that it’s the defensive mechanism to protect that …

NethSecurity: Open-source Linux firewall
NethSecurity is a free, open-source Linux firewall that simplifies network security deployment. It integrates various security features into one platform, including …

Palo Alto firewalls: CVE-2024-3400 exploitation and PoCs for persistence after resets/upgrades
There are proof-of-concept techniques allowing attackers to achieve persistence on Palo Alto Networks firewalls after CVE-2024-3400 has been exploited, the company has …

56% of cyber insurance claims originate in the email inbox
56% of all 2023 claims were a result of funds transfer fraud (FTF) or business email compromise (BEC), highlighting the importance of email security as a critical aspect of …

Hackers backdoored Cisco ASA devices via two zero-days (CVE-2024-20353, CVE-2024-20359)
A state-sponsored threat actor has managed to compromise Cisco Adaptive Security Appliances (ASA) used on government networks across the globe and use two zero-day …

Palo Alto firewalls: Public exploits, rising attacks, ineffective mitigation
UPDATE: April 30, 09:30 AM ET New story: Palo Alto firewalls: CVE-2024-3400 exploitation and PoCs for persistence after resets/upgrades While it initially seemed that …

CVE-2024-3400 exploited: Unit 42, Volexity share more details about the attacks
UPDATE: April 17, 05:50 AM ET New story: Palo Alto firewalls: Public exploits, rising attacks, ineffective mitigation Earlier today, Palo Alto Networks revealed that a …

Palo Alto Networks firewalls under attack, hotfixes incoming! (CVE-2024-3400)
UPDATE: April 30, 09:30 AM ET New story: Palo Alto firewalls: CVE-2024-3400 exploitation and PoCs for persistence after resets/upgrades UPDATE: April 17, 05:50 AM ET New …

Juniper fixes critical RCE in its SRX firewalls and EX switches (CVE-2024-21591)
Juniper Networks has fixed a critical pre-authentication remote code execution (RCE) vulnerability (CVE-2024-21591) in Junos OS on SRX firewalls and EX switches. About …

Correct bad network behavior to bolster application experience
Legacy hardware-based applications existed happily in isolation, untethered from a network. The thing that really mattered was the speed of the hard drive and having enough …

EOL Sophos firewalls get hotfix for old but still exploited vulnerability (CVE-2022-3236)
Over a year has passed since Sophos delivered patches for a vulnerability affecting Sophos Firewalls (CVE-2022-3236) that was being actively exploited by attackers, and now …

Bridging the gap between cloud vs on-premise security
With the proliferation of SaaS applications, remote work and shadow IT, organizations feel obliged to embrace cloud-based cybersecurity. And rightly so, because the corporate …
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