article thumbnail

VulnRecap 1/16/24 – Major Firewall Issues Persist

eSecurity Planet

Keep an eye out for security announcements from your firewall vendors; it’s possible additional similar vulnerabilities will come to light. The problem: Juniper Networks released a bulletin about a remote code execution vulnerability in its SRX firewalls and EX switches. This vulnerability is tracked as CVE-2024-21591.

article thumbnail

What Is a Firewall Policy? Steps, Examples & Free Template

eSecurity Planet

A firewall policy is a set of rules and standards designed to control network traffic between an organization’s internal network and the internet. It aims to prevent unauthorized access, manage data movement, and guard against potential security threats. Click to download What Are the Components of Firewall Policies?

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

What Is Packet Filtering? Definition, Advantages & How It Works

eSecurity Planet

Packet filtering is a firewall feature that allows or drops data packets based on simple, pre-defined rules regarding IP addresses, ports, or protocols. Once a type of firewall, packet filtering now provides a fundamental feature of nearly all firewalls and some network equipment (routers, smart switches, etc.).

article thumbnail

What Is Stateful Inspection in Network Security? Ultimate Guide

eSecurity Planet

Stateful inspection is a firewall feature that filters data packets based on the context of previous data packets. This important feature uses header information from established communication connections to improve overall security. Table of Contents Toggle How Does Stateful Inspection Work? Stateless protocols (UDP, HTTP, etc.)

article thumbnail

Blister malware using code signing certificates to evade anti malware detection

CyberSecurity Insiders

As some hackers have developed a malware that uses code signing certificates to avoid detection by security defenses and has the tendency to download payloads onto a compromised system. And the certification is linked to a Russian company titled Blist LLC that delivers payloads such as Cobalt Strike and BitRAT on demand.

Malware 124
article thumbnail

What Are Firewall Rules? Ultimate Guide & Best Practices

eSecurity Planet

Firewall rules are preconfigured, logical computing controls that give a firewall instructions for permitting and blocking network traffic. They help IT and security teams manage the traffic that flows to and from their private network. Order of Firewall Rules Firewall rules are typically followed in order of restrictiveness.

article thumbnail

Weekly Vulnerability Recap – December 18, 2023 – JetBrains TeamCity Exploits Continue

eSecurity Planet

Before your IT and security teams log off for the holidays, make sure to check for any outstanding updates or patches. December 11, 2023 Sonar Finds Three Vulnerabilities in Open-Source Firewall pfSense Type of vulnerability: Cross-site scripting and command injection.

Backups 86