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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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More than 2,000 Palo Alto Networks firewalls hacked exploiting recently patched zero-days

Security Affairs

Threat actors already hacked thousands of Palo Alto Networks firewalls exploiting recently patched zero-day vulnerabilities. Thousands of Palo Alto Networks firewalls have reportedly been compromised in attacks exploiting recently patched zero-day vulnerabilities ( CVE-2024-0012 and CVE-2024-9474 ) in PAN-OS. This week, the U.S.

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Attackers exploit recently disclosed Palo Alto Networks PAN-OS firewalls bug

Security Affairs

Threat actors are exploiting a recently disclosed vulnerability, tracked as CVE-2025-0108, inPalo Alto Networks PAN-OS firewalls. Researchers warn that threat actors are exploiting a recently disclosed vulnerability, tracked as CVE-2025-0108, in Palo Alto Networks PAN-OS firewalls. ” states GreyNoise. h4 >= 11.2.4-h4

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American Water Shuts Down Services After Cybersecurity Breach

eSecurity Planet

The American Water cyber breach has sparked conversations about the importance of cybersecurity in safeguarding essential services and the growing frequency of cyber threats targeting public utilities. While water services were not interrupted, the breach temporarily paused the company’s billing operations, causing customer concern.

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News alert: INE Security shares cyber hygiene guidance for small- and medium-sized businesses

The Last Watchdog

INE Security , a leading provider of cybersecurity training and certifications, today shared its cybersecurity training for cyber hygiene practices for small businesses, underscoring the critical role of continuous education in safeguarding digital assets. Many cyber attacks exploit vulnerabilities in outdated software.

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Cybersecurity Firm Imperva Discloses Breach

Krebs on Security

Imperva , a leading provider of Internet firewall services that help Web sites block malicious cyberattacks, alerted customers on Tuesday that a recent data breach exposed email addresses, scrambled passwords, API keys and SSL certificates for a subset of its firewall users. Redwood Shores, Calif.-based Image: Imperva. ”

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Top 9 Trends In Cybersecurity Careers for 2025

eSecurity Planet

As they do, they create more security vulnerabilities and inherent business, changing the nature of cybersecurity careers. Meanwhile, according to non-profit trade association CompTIA’s Cyberseek tool, nearly half a million cybersecurity jobs were open between May 2023 and April 2024 in the U.S., million workers.