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What Is a Firewall and Do you Need One?

Adam Levin

A firewall is a network security device or program designed to prevent unauthorized and malicious internet traffic from entering a private network or device. Firewalls filter incoming network traffic at a computer’s entry points, or ports, where information is exchanged between the computer network and external devices. Probably not.

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Palo Alto Networks fixed multiple DoS bugs in its firewalls

Security Affairs

Palo Alto Networks fixed several vulnerabilities in its PAN-OS operating system, including 3 issues that can trigger a DoS condition on its firewalls. Repeated attacks can eventually trigger a DoS condition by forcing the firewall into maintenance mode, requiring manual intervention to restore online functionality.

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22,500 Palo Alto firewalls "possibly vulnerable" to ongoing attacks

Bleeping Computer

Approximately 22,500 exposed Palo Alto GlobalProtect firewall devices are likely vulnerable to the CVE-2024-3400 flaw, a critical command injection vulnerability that has been actively exploited in attacks since at least March 26, 2024. [.]

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Palo Alto Networks fixes zero-day exploited to backdoor firewalls

Bleeping Computer

Palo Alto Networks has started releasing hotfixes for a zero-day vulnerability that has been actively exploited since March 26th to backdoor PAN-OS firewalls. [.]

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Palo Alto Networks zero-day exploited since March to backdoor firewalls

Bleeping Computer

Suspected state-sponsored hackers have been exploiting a zero-day vulnerability in Palo Alto Networks firewalls tracked as CVE-2024-3400 since March 26, using the compromised devices to breach internal networks, steal data and credentials. [.]

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Protect Your Business With This Seamless Firewall — Now $150 Off

Tech Republic Security

DNS FireWall is an intuitive security app built to protect you and your business from malware, phishing, botnets and more security threats.

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Cloudflare Unveils a Firewall Designed to Keep LLMs Safe

Security Boulevard

The cloud connectivity and cybersecurity company this week introduced the Firewall for AI, another layer of protection for LLMs that are foundational. The post Cloudflare Unveils a Firewall Designed to Keep LLMs Safe appeared first on Security Boulevard.

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