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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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SHARED INTEL: Report details how cyber criminals leverage HTTPS TLS to hide malware

The Last Watchdog

From January through March 2021, TLS concealed 45 percent of the malware Sophos analysts observed circulating on the Internet; that’s double the rate – 23 percent – seen in early 2020, Dan Schiappa, Sophos’ chief product officer, told me in a briefing. And then they may use off-the-shelf malware to carry out their attack.

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Is your firewall stuck in the 80s?

Cisco Security

Modernize your firewall for greater security resilience. Cybersecurity has changed dramatically since the dawn of firewalls in the 1980s. Today’s workers, data, and applications are everywhere, and firewalls must be as well. So, can your firewall grow with you? The firewall is a critical foundation for security.

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US Disrupts Russian Botnet

Schneier on Security

The operation copied and removed malware from vulnerable internet-connected firewall devices that Sandworm used for command and control (C2) of the underlying botnet. The botnet “targets network devices manufactured by WatchGuard Technologies Inc. WatchGuard) and ASUSTek Computer Inc. Those devices are still vulnerable.

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What Is a Next-Generation Firewall?

eSecurity Planet

A next generation firewall (NGFW) performs deep packet inspection to check the contents of the data flowing through the firewall. Unlike more basic firewalls that only check the header of data packets, NGFWs examine and evaluate the payload data within the packet. Who Needs a Next-Gen Firewall?

Firewall 113
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Fortinet addresses 4 vulnerabilities in FortiWeb web application firewalls

Security Affairs

Security vendor Fortinet has addressed four vulnerabilities in FortiWeb web application firewalls, including a Remote Code Execution flaw. Fortinet has addressed four vulnerabilities in FortiWeb web application firewalls that were reported by Positive Technologies expert Andrey Medov. . Pierluigi Paganini.

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How to Protect Operational Technology (OT) from Cyber Threats

CyberSecurity Insiders

By Jayakumar (Jay) Kurup, Global Sales Engineering Director at Morphisec Securing operational technology (OT) creates unique challenges. Sometimes this is due to cultural reasons (management’s fear of even the slightest chance of disruption); other times, it is technological. You try to air-gap it. Great in theory.