Firewall and Risk - Cyber Security Informer

U.S. CISA adds Microsoft Outlook, Sophos XG Firewall, and other flaws to its Known Exploited Vulnerabilities catalog

Security Affairs

FEBRUARY 6, 2025

Cybersecurity and Infrastructure Security Agency (CISA) adds Microsoft Outlook, Sophos XG Firewall, and other flaws to its Known Exploited Vulnerabilities catalog. is a buffer overflow issue in Sophos XG Firewall 17.x is a Remote Code Execution flaw in Microsoft Outlook. is a Remote Code Execution flaw in Microsoft Outlook.

Firewall

Firewall Hacking Cybersecurity Risk

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

Security Affairs

FEBRUARY 15, 2025

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

Firewall

Firewall Authentication Architecture Risk

SonicWall warns of an exploitable SonicOS vulnerability

Security Affairs

JANUARY 8, 2025

SonicWall warns customers to address an authentication bypass vulnerability in its firewall’s SonicOS that is “susceptible to actual exploitation.” Again, this upgrade addresses a high vulnerability for SSL VPN users that should be considered at imminent risk of exploitation and updated immediately.

Firewall

Firewall Firmware VPN Authentication

Risk reduction redefined: How compromise assessment helps strengthen cyberdefenses

SecureList

OCTOBER 29, 2024

The primary objective of these services is risk reduction. Policy violations by employees Most organizations focus on external threats; however, policy violations pose a major risk , with 51% of SMB incidents and 43% of enterprise incidents involving IT security policy violations caused by employees. Outdated malware signatures.

Risk

Risk Antivirus Accountability Malware

Is your firewall stuck in the 80s?

Cisco Security

DECEMBER 13, 2022

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.

Firewall

Firewall Retail Encryption Digital transformation

Palo Alto Networks confirmed active exploitation of recently disclosed zero-day

Security Affairs

NOVEMBER 16, 2024

Palo Alto Networks confirmed active exploitation of a zero-day in its PAN-OS firewall and released new indicators of compromise (IoCs). Last week, Palo Alto Networks warned customers to limit access to their next-gen firewall management interface due to a potential remote code execution vulnerability (CVSSv4.0 Base Score: 9.3)

Firewall

Firewall Internet Internet VPN

10 Behaviors That Will Reduce Your Risk Online

Daniel Miessler

MAY 14, 2020

What follows is a set of basic security hygiene steps that will significantly reduce your risk online. In addition to turning on the native anti-malware and firewall features in your operating system, also consider installing MalwareBytes as an extra layer of protection. These are the diet and exercise of the computer safety world.

Risk

Risk Passwords Password Management Accountability

The Biggest Cybersecurity Risk We're Ignoring—And No, It's Not AI

SecureWorld News

FEBRUARY 28, 2025

But amidst all these flashy, futuristic threats, the biggest cybersecurity risk remains the same as it's always beenhumans. Because no firewall, no AI-powered SOC, no quantum-proof encryption will save you if your employees keep clicking phishing emails, because let's face it. And I'm not talking about the shadowy hackers in hoodies.

Cybersecurity

Cybersecurity Risk Social Engineering Phishing

Palo Alto Networks warns that CVE-2025-0111 flaw is actively exploited in attacks

Security Affairs

FEBRUARY 19, 2025

Palo Alto Networks warns that the vulnerability CVE-2025-0111 is actively exploited with two other flaws to compromise PAN-OS firewalls. Palo Alto Networks warns that threat actors are chaining the vulnerability CVE-2025-0111 with two other vulnerabilities, tracked as CVE-2025-0108 with CVE-2024-9474 , to compromise PAN-OS firewalls.

Firewall

Firewall Authentication Architecture Internet

Cloudflare Unveils a Firewall Designed to Keep LLMs Safe

Security Boulevard

MARCH 5, 2024

Cloudflare wants to help organizations wall off their large-language models (LLMs) from cyberthreats and give enterprises an AI framework to ward off risks, many of which are themselves based on the emerging technology. The post Cloudflare Unveils a Firewall Designed to Keep LLMs Safe appeared first on Security Boulevard.

Firewall

Firewall Risk Technology Cybersecurity

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

The Last Watchdog

OCTOBER 23, 2024

As small businesses increasingly depend on digital technologies to operate and grow, the risks associated with cyber threats also escalate. INE Security advises businesses to secure their network by using firewalls, encrypting data, and regularly updating security software. Cary, NC, Oct.

Small Business

Small Business Data breaches Backups Passwords

What Is a Next-Generation Firewall?

eSecurity Planet

FEBRUARY 9, 2024

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

Firewall Encryption Malware Artificial Intelligence

U.S. CISA adds Palo Alto Expedition, Android, CyberPanel and Nostromo nhttpd bugs to its Known Exploited Vulnerabilities catalog

Security Affairs

NOVEMBER 7, 2024

Palo Alto Networks Expedition is a tool designed to help users transition to and optimize Palo Alto Networks’ next-generation firewalls. It assists with the migration of configurations from other firewall vendors and legacy Palo Alto Networks devices to newer models. The vulnerability affects Expedition versions before 1.2.92.

Firewall

Firewall Authentication Accountability Risk

Quantum Threats and How to Protect Your Data

SecureWorld News

DECEMBER 8, 2024

It is essential to understand the risks posed by quantum computing, as future advancements could compromise today's encrypted data, opening new opportunities for threat actors. Current efforts to address quantum threats Recognizing these risks, organizations and governments are developing quantum-resistant cryptographic methods.

Encryption

Encryption Firewall Education Firmware

New Open SSH Vulnerability

Schneier on Security

JULY 3, 2024

It’s a serious one : The vulnerability, which is a signal handler race condition in OpenSSH’s server (sshd), allows unauthenticated remote code execution (RCE) as root on glibc-based Linux systems; that presents a significant security risk.

Firewall

Firewall Data breaches Malware Risk

Top 12 Firewall Best Practices to Optimize Network Security

eSecurity Planet

DECEMBER 10, 2023

Firewalls monitor and control incoming and outgoing traffic while also preventing unauthorized access. Overlapping rules may impair firewall efficiency or expose flaws that allow attackers to circumvent regulations. Choose a centralized platform that is interoperable with several firewall suppliers.

Firewall

Firewall Network Security Backups Education

News alert: Knocknoc raises seed funding to scale its just-in-time network access control technology

The Last Watchdog

MARCH 19, 2025

” Knocknoc orchestrates network infrastructure to remove risk exposure by tying users’ network access to their SSO authentication status. Customers use Knocknoc to protect VPNs and firewalls, IP cameras, payroll systems, file transfer appliances, bastion hosts and other applications and network services.

Technology

Technology Media Telecommunications Authentication

STEPS FORWARD Q&A: Will ‘proactive security’ engender a shift to risk-based network protection?

The Last Watchdog

OCTOBER 4, 2023

What I came away with is that many of the new cloud-centric security frameworks and tools fit as components of proactive security, while familiar legacy solutions, like firewalls and SIEMs, can be categorized as either preventative or reactive security. LW: How does ‘risk-based vulnerability management’ factor in?

Risk

Risk Marketing Software Network Security

Introducing User Trust Levels: Calculating Identity Risk to Improve Security Outcomes

Duo's Security Blog

MARCH 25, 2025

This innovative approach helps organizations manage user-related risks more efficiently by assigning trust levels based on a comprehensive evaluation of user behavior and context. The User Trust Level is a dynamic assessment of risk associated with each user in your organization. The algorithm first sets out a framework of risk types.

Risk

Risk Accountability Threat Detection Firewall

American Water Shuts Down Services After Cybersecurity Breach

eSecurity Planet

OCTOBER 15, 2024

The American Water cyber breach underscores the risk of cyber threats in various sectors traditionally seen as less vulnerable compared to industries like finance or healthcare. 7 How To Avoid Such Cyberattacks Utility companies, like American Water, face increasing risks from cybercriminals.

Cybersecurity

Cybersecurity Penetration Testing Cyber threats Firewall

How to Perform a Firewall Audit in 11 Steps (+Free Checklist)

eSecurity Planet

FEBRUARY 21, 2024

A firewall audit is a procedure for reviewing and reconfiguring firewalls as needed so they still suit your organization’s security goals. Auditing your firewall is one of the most important steps to ensuring it’s still equipped to protect the perimeter of your business’ network.

Firewall

Firewall Firmware Software Risk

CISA Order Highlights Persistent Risk at Network Edge

Krebs on Security

JUNE 15, 2023

The directive applies to any networking devices — such as firewalls, routers and load balancers — that allow remote authentication or administration.

Risk

Risk VPN Internet Internet

BEST PRACTICES – 9 must-do security protocols companies must embrace to stem remote work risks

The Last Watchdog

MARCH 6, 2021

Set up firewalls. Firewalls act as a defense line in preventing the possibility of threats entering your system. Firewalls create a barrier between the device and the internet by closing the ports to communication, preventing malicious programs from entering networks, and stopping a potential data breach on your device.

VPN

VPN Passwords Firewall Risk

What Is a Host-Based Firewall? Definition & When to Use

eSecurity Planet

FEBRUARY 6, 2024

A host-based firewall is installed directly on individual networked devices to filter network traffic on a single device by inspecting both incoming and outgoing data. How Host-Based Firewalls Work Organizations often adopt host-based firewalls for device-specific security control.

Firewall

Firewall Mobile Network Security Software

What Are Firewall Rules? Ultimate Guide & Best Practices

eSecurity Planet

JANUARY 24, 2024

Firewall rules are preconfigured, logical computing controls that give a firewall instructions for permitting and blocking network traffic. Network admins must configure firewall rules that protect their data and applications from threat actors. It manages inbound web server traffic, the connection requests from remote sources.

Firewall

Firewall Network Security Financial Services Internet

RSAC insights: CyberGRX finds a ton of value in wider sharing of third-party risk assessments

The Last Watchdog

MAY 10, 2021

With RSA Conference 2021 technical sessions getting underway today, I sat down with Fred Kneip, CEO of CyberGRX , to hash over the notion that a lot of good could come from more systematic sharing of the risk profiles that large enterprises routinely compile with respect to their third-party contractors. Crowdsourcing risk profiles.

Risk

Risk Cyber Risk Insurance Banking

Best WordPress Plugins for Cybersecurity 2025

IT Security Guru

MARCH 14, 2025

Using security plugins can help reduce risks and keep your site safe from threats and are essential for any wordpress site, and even more so if your site has personal customer data on it. It provides a firewall that blocks malicious traffic before it reaches your website.

Cybersecurity

Cybersecurity Firewall Cyber Attacks Passwords

Video: How Hackers Steal Your Cookies & How to Stop Them

eSecurity Planet

NOVEMBER 6, 2024

Use Secure Cookie Flags Configure cookies with Secure and HttpOnly flags to ensure they’re transferred via HTTPS and inaccessible to client-side scripts, reducing the risk of theft via unencrypted connections or XSS attacks. Then, invalidate active sessions, update passwords and security keys, and then refresh the website software.

Identity Theft

Identity Theft Passwords Phishing Accountability

Managing Cybersecurity Risk in M&A

Cisco Security

SEPTEMBER 26, 2022

As Technology Audit Director at Cisco, Jacob Bolotin focuses on assessing Cisco’s technology, business, and strategic risk. Risk Management and Formula One. Meanwhile, InfoSec is the designer and implementor of risk management capabilities (for instance, ensuring the latest technology is deployed and within expected specifications).

Risk

Risk Cybersecurity Technology InfoSec

Exposed HMIs: A Direct Pathway for Cyberattacks on Critical Infrastructure

SecureWorld News

DECEMBER 17, 2024

government is sounding the alarm on a growing cybersecurity risk for critical infrastructureinternet-exposed Human-Machine Interfaces (HMIs). Failure to do so could allow malicious actors to disrupt operations, alter critical processes, and endanger public health and safety What Are HMIs and Why Are They at Risk?

Internet

Internet Internet Risk Passwords

GUEST ESSAY: Testing principles to mitigate real-world risks to ‘SASE’ and ‘Zero Trust’ systems

The Last Watchdog

FEBRUARY 27, 2023

Each of these elements must be validated across multiple security controls, like next-generation firewall (NGFW) and data loss protection (DLP) tools. Once again, there is no standard set of ZT test cases to guide this validation.

Risk

Risk Architecture Firewall Telecommunications

U.S. CISA adds SonicWall SonicOS and Palo Alto PAN-OS flaws to its Known Exploited Vulnerabilities catalog

Security Affairs

FEBRUARY 18, 2025

The two vulnerabilities are: CVE-2025-0108 Palo Alto PAN-OS Authentication Bypass Vulnerability CVE-2024-53704 SonicWall SonicOS SSLVPN Improper Authentication Vulnerability Researchers recently warned that threat actors exploit a recently disclosed vulnerability, CVE-2025-0108, in Palo Alto Networks PAN-OS firewalls. states GreyNoise.

Firewall

Firewall Firmware Authentication VPN

Confident Cybersecurity: Essentials for Every Business

Security Boulevard

JANUARY 18, 2025

With the transition to a digital majority, company networks are continuously at risk, and potential breaches are growing more severe each day. Business Cybersecurity: More Than Just Firewalls and Antivirus One critical aspect of [] The post Confident Cybersecurity: Essentials for Every Business appeared first on Entro.

Cybersecurity

Cybersecurity Antivirus Firewall Risk

MY TAKE: Log4j’s big lesson – legacy tools, new tech are both needed to secure modern networks

The Last Watchdog

MARCH 29, 2022

They’re now the norm and security teams must assess and manage the risk of these stacks.”. Complex and evolving cyber risks need to be resolved, for instance, when it comes to securing human and machine identities, tightening supply chains, mitigating third-party risks, protecting critical infrastructure and preserving individuals’ privacy.

Firewall

Firewall Internet Internet Digital transformation

Columbus Ransomware Attack Exposes 500,000+ Residents’ Data: How to Stay Safe

eSecurity Planet

NOVEMBER 6, 2024

This breach has exposed residents to potential risks like identity theft and financial fraud, compounding the urgency for more robust cybersecurity measures in the public sector. Businesses that handle customer data or interact with city networks are now faced with heightened risks.

Ransomware

Ransomware Authentication Identity Theft Penetration Testing

Sophos details five years of China-linked threat actors’ activity targeting network devices worldwide

Security Affairs

NOVEMBER 2, 2024

Sophos used custom implants to monitor China-linked thret actors targeting firewall zero-days in a years-long battle. Improved operational security, including disrupting firewall telemetry to hinder detection and minimize their digital footprint.

Firmware

Firmware Government Firewall Malware

Mirai botnet targets SSR devices, Juniper Networks warns

Security Affairs

DECEMBER 19, 2024

To mitigate the exposure to these threats, users are recommended to change default credentials, use strong passwords, review access logs, employ firewalls and IDS/IPS, and keep firmware up-to-date. Use Firewalls and IDS/IPS : Employ firewalls to block unauthorized access and intrusion detection systems to monitor network behavior.

DDOS

DDOS Firmware Firewall Passwords

The Silent Breach: How E-Waste Fuels Cybercrime

SecureWorld News

MARCH 27, 2025

These forgotten electronics pose a risk to our security. And with Americans owning an average of 24 electronic items in their homes , neglecting to dispose of these items correctly is putting individuals at significant risk of cybercrime. The risk to individuals and the organizations they work for is significant.

Cybercrime

Cybercrime Computers and Electronics Passwords Hacking

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

The Last Watchdog

APRIL 21, 2021

This surge in TLS abuse has shifted the security community’s focus back to a venerable network security tool, the firewall. Since this exposure manifests anywhere data streams into a company’s IT systems, the answer has to involve a firewall. The essence of a firewall is that it inspects packets of data for anything that looks amiss.

Malware

Malware Firewall Encryption Digital transformation

U.S. CISA adds ProjectSend, North Grid Proself, and Zyxel firewalls bugs to its Known Exploited Vulnerabilities catalog

Security Affairs

DECEMBER 3, 2024

Cybersecurity and Infrastructure Security Agency (CISA) adds ProjectSend, North Grid Proself, and Zyxel firewalls bugs to its Known Exploited Vulnerabilities catalog. are vulnerable to XXE attacks, allowing unauthenticated attackers to read server files with account data.

Firewall

Firewall Authentication Accountability Firmware

U.S. CISA adds Cisco ASA and FTD, and RoundCube Webmail bugs to its Known Exploited Vulnerabilities catalog

Security Affairs

OCTOBER 25, 2024

Cisco warned customers of password-spraying attacks that have been targeting Remote Access VPN (RAVPN) services configured on Cisco Secure Firewall devices. The vulnerability CVE-2024-20481 (CVSS score of 5.8) is a Denial of Service (DoS) issue that impacts the Remote Access VPN (RAVPN) service of ASA and FTD.

VPN

VPN Firewall Technology Passwords

Giving Smaller Businesses The Critical Power Of Large Community Threat Intelligence: A High-Level Look at CrowdSec

Joseph Steinberg

FEBRUARY 9, 2021

In some ways, CrowdSec mimics the behavior of a constantly-self-updating, massive, multi-party, and multi-network firewall. Like a classic network-layer firewall, CrowdSec allows administrators to configure all sorts of OSI Middle Level (i.e., Levels 3 Network and Level 4 Transport) rules. CrowdSec released version 1.0

Firewall

Firewall Technology Artificial Intelligence Risk

Peer Report from Critical Start Explores Cyber Risk Landscape

SecureWorld News

AUGUST 5, 2024

Today, Critical Start released its second annual Cyber Risk Landscape Peer Report, which explores concerns and challenges around cyber risk mitigation for enterprises. Most notably, the report uncovered that 86% of cybersecurity professionals' top concern is unknown cyber risks versus known threats.

Cyber Risk

Cyber Risk Risk Cyber threats Cybersecurity

U.S. CISA adds Fortinet FortiOS/FortiProxy and GitHub Action flaws to its Known Exploited Vulnerabilities catalog

Security Affairs

MARCH 18, 2025

Threat actors exploit the flaws to create rogue admin or local users, modify firewall policies, and access SSL VPNs to gain access to internal networks. The vulnerability is an authentication bypass issue that could allow a remote attacker to gain super-admin privileges by making maliciously crafted CSF proxy requests. through 7.0.16

Authentication

Authentication Ransomware Firewall Hacking

U.S. CISA adds Microsoft Outlook, Sophos XG Firewall, and other flaws to its Known Exploited Vulnerabilities catalog

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

Trending Sources

SonicWall warns of an exploitable SonicOS vulnerability

Risk reduction redefined: How compromise assessment helps strengthen cyberdefenses

Is your firewall stuck in the 80s?

Palo Alto Networks confirmed active exploitation of recently disclosed zero-day

10 Behaviors That Will Reduce Your Risk Online

The Biggest Cybersecurity Risk We're Ignoring—And No, It's Not AI

Palo Alto Networks warns that CVE-2025-0111 flaw is actively exploited in attacks

Cloudflare Unveils a Firewall Designed to Keep LLMs Safe

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

What Is a Next-Generation Firewall?

U.S. CISA adds Palo Alto Expedition, Android, CyberPanel and Nostromo nhttpd bugs to its Known Exploited Vulnerabilities catalog

Quantum Threats and How to Protect Your Data

New Open SSH Vulnerability

Top 12 Firewall Best Practices to Optimize Network Security

News alert: Knocknoc raises seed funding to scale its just-in-time network access control technology

STEPS FORWARD Q&A: Will ‘proactive security’ engender a shift to risk-based network protection?

Introducing User Trust Levels: Calculating Identity Risk to Improve Security Outcomes

American Water Shuts Down Services After Cybersecurity Breach

How to Perform a Firewall Audit in 11 Steps (+Free Checklist)

CISA Order Highlights Persistent Risk at Network Edge

BEST PRACTICES – 9 must-do security protocols companies must embrace to stem remote work risks

What Is a Host-Based Firewall? Definition & When to Use

What Are Firewall Rules? Ultimate Guide & Best Practices

RSAC insights: CyberGRX finds a ton of value in wider sharing of third-party risk assessments

Best WordPress Plugins for Cybersecurity 2025

Video: How Hackers Steal Your Cookies & How to Stop Them

Managing Cybersecurity Risk in M&A

Exposed HMIs: A Direct Pathway for Cyberattacks on Critical Infrastructure

GUEST ESSAY: Testing principles to mitigate real-world risks to ‘SASE’ and ‘Zero Trust’ systems

U.S. CISA adds SonicWall SonicOS and Palo Alto PAN-OS flaws to its Known Exploited Vulnerabilities catalog

Confident Cybersecurity: Essentials for Every Business

MY TAKE: Log4j’s big lesson – legacy tools, new tech are both needed to secure modern networks

Columbus Ransomware Attack Exposes 500,000+ Residents’ Data: How to Stay Safe

Sophos details five years of China-linked threat actors’ activity targeting network devices worldwide

Mirai botnet targets SSR devices, Juniper Networks warns

The Silent Breach: How E-Waste Fuels Cybercrime

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

U.S. CISA adds ProjectSend, North Grid Proself, and Zyxel firewalls bugs to its Known Exploited Vulnerabilities catalog

U.S. CISA adds Cisco ASA and FTD, and RoundCube Webmail bugs to its Known Exploited Vulnerabilities catalog

Giving Smaller Businesses The Critical Power Of Large Community Threat Intelligence: A High-Level Look at CrowdSec

Peer Report from Critical Start Explores Cyber Risk Landscape

U.S. CISA adds Fortinet FortiOS/FortiProxy and GitHub Action flaws to its Known Exploited Vulnerabilities catalog

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