eSecurity Planet

JANUARY 5, 2024

A firewall policy is a set of rules and standards designed to control network traffic between an organization’s internal network and the internet. Featured Partners: Next-Gen Firewall (NGFW) Software Learn more Table of Contents Toggle Free Firewall Policy Template What Are the Components of Firewall Policies?

Firewall 108

Firewall Penetration Testing DNS Network Security 108

Security Affairs

AUGUST 4, 2024

A China-linked APT, tracked as StormBamboo, compromised an internet service provider (ISP) to poison software update mechanisms with malware. Upon investigating the incidents, the researchers determined that a DNS poisoning attack at the ISP level caused the infection. The company linked the attacks to StormBamboo APT group.

Malware 144

Malware DNS Firewall Software 144

eSecurity Planet

FEBRUARY 4, 2022

Malware is one of the biggest threats businesses face, and with nearly a third of all malware coming through the internet and email, businesses and consumers alike need ways to protect themselves. This guide covers the major categories of internet security suites and includes a few of the top options for each. Antivirus Software.

Internet 144

Internet Internet Software Antivirus 144

Cisco Security

MARCH 11, 2021

After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. We’ll also look at malicious DNS activity—the number of queries malicious sites receive. Organizations and malicious DNS activity. Overview of analysis. Cryptomining.

DNS 144

DNS Phishing Ransomware Internet 144

Security Boulevard

MAY 20, 2022

What Is DNS Spoofing and How Is It Prevented? What Is the DNS and DNS Server? . To fully understand DNS spoofing, it’s important to understand DNS and DNS servers. The DNS “domain name system” is then what translates the domain name into the right IP address. What Is DNS Spoofing? .

DNS 98

DNS Cyber Attacks Encryption Risk 98

Cisco Security

JUNE 15, 2021

As a network and workload security strategy leader, I spend a lot of time thinking about the future of the good old network firewall. Spoiler alert: I’m not going to join the cool club of pronouncing the firewall dead. The two main problems for the firewall to overcome in all those new deployment scenarios are insertion and visibility.

Firewall 140

Firewall Software Network Security Encryption 140

Dark Reading

APRIL 13, 2021

Researchers uncover a fresh set of nine vulnerabilities in four TCP/IP stacks that are widely used in everything from powerful servers and firewalls to consumer IoT products.

DNS 114

DNS Internet Internet IoT 114

Security Affairs

MAY 24, 2024

The use of Dynamic DNS (DDNS) services embedded in appliances can potentially expose data and devices to attacks. The use of Dynamic DNS (DDNS) services embedded in appliances, such as those provided by vendors like Fortinet or QNAP, carries cybersecurity implications. For instance, suppose firewall manufacturer ACME Inc.

DNS 138

DNS Manufacturing Firewall Internet 138

Cisco Security

MARCH 11, 2021

After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. We’ll also look at malicious DNS activity—the number of queries malicious sites receive. Organizations and malicious DNS activity. Overview of analysis. Cryptomining.

DNS 72

DNS Phishing Ransomware Internet 72

Security Affairs

SEPTEMBER 4, 2019

Experts at SEC Consult discovered several security issues in various Zyxel devices that allow to hack them via unauthenticated DNS requests. The first issue is an information disclosure flaw via unauthenticated external DNS requests that affect Zyxel devices from the USG, UAG, ATP, VPN and NXC series. Pierluigi Paganini.

DNS 97

DNS Hacking Firmware Wireless 97

eSecurity Planet

APRIL 30, 2024

It’s important to prepare the network and firewalls in advance, then follow seven major steps to configure your DMZ’s protocols and rules. We recommend determining in advance every service you want to host, how many firewalls you plan to implement, and which traffic you want to allow and block.

Firewall 62

Firewall Internet Internet DNS 62

Security Affairs

AUGUST 10, 2020

An attacker could use $300 worth of off-the-shelf equipment to eavesdrop and intercept signals from satellite internet communications. The academic researcher James Pavur, speaking at Black Hat 2020 hacking conference , explained that satellite internet communications are susceptible to eavesdropping and signal interception.

Internet 135

Internet Internet Advertising Encryption 135

eSecurity Planet

SEPTEMBER 3, 2022

These events can occur accidentally and even within a corporate network; however, intentional attacks on internet-facing resources are far more common. Also read: How to Secure DNS. Firewalls may allow these packets through and cause server CPUs to become overwhelmed due to resources wasted analyzing and discarding these packets.

DDOS 145

DDOS DNS Firewall Internet 145

Krebs on Security

APRIL 13, 2022

“Microsoft advises blocking TCP port 445 at the perimeter firewall, which is strong advice regardless of this specific vulnerability. While this won’t stop exploitation from attackers inside the local network, it will prevent new attacks originating from the Internet.”

DNS 285

DNS Internet Internet Firewall 285

eSecurity Planet

NOVEMBER 3, 2022

For effective DDoS defense, priority for patching and updates should be placed on devices between the most valuable resources and the internet such as firewalls, gateways , websites, and applications. Hardening includes, but is not limited to: Block unused ports on servers and firewalls. User Datagram Protocol (UDP).

DDOS 125

DDOS Firewall DNS Architecture 125

Malwarebytes

APRIL 13, 2021

A set of vulnerabilities has been found in the way a number of popular TCP/IP stacks handle DNS requests. Yes, the researchers found 9 DNS-related vulnerabilities that have the potential to allow attackers to take targeted devices offline or to gain control over them. Basically, you could say DNS is the phonebook of the internet.

IoT 70

IoT DNS Internet Internet 70

McAfee

FEBRUARY 17, 2021

Use of “domain age” is a feature being promoted by various firewall and web security vendors as a method to protect users and systems from accessing malicious internet destinations. The sites and domains of the internet are constantly changing and evolving. Domain Age Feature Definition. Domain Registration.

Internet 65

Internet Internet DNS Risk 65

Webroot

MARCH 9, 2021

DNS (Domain Name System) is especially vulnerable. Once the criminal redirects internet traffic to malicious websites or takes control of servers, the damage is inevitable. However, cybercriminals can also use legal DNS traffic surveillance to their advantage. Cybersecurity Tips for Individuals and Businesses.

Hacking 124

Hacking DNS Surveillance Cybercrime 124

eSecurity Planet

APRIL 7, 2023

DMZ networks typically contain external-facing resources such as DNS, email, proxy and web servers. However, when your DMZ network includes a proxy server, administrators also have the option to filter all internal internet usage through the DMZ.

Architecture 102

Architecture Firewall Network Security Technology 102

Webroot

MARCH 29, 2021

A firewall with the right threat intelligence embedded could have blocked communications with the command-and-control server thus preventing a Trojanized Orion install from connecting back to the attackers and stopping them from furthering the attack. Outside of the corporate firewall, it is the Wild West.

Hacking 121

Hacking DNS Firewall Malware 121

Webroot

FEBRUARY 16, 2021

In recent months, you’ve likely heard about DNS over HTTPS , also known as DNS 2.0 and DoH, which is a method that uses the HTTPS protocol to encrypt DNS requests, shielding their contents from malicious actors and others who might misuse such information. Ultimately, this DNS privacy upgrade has been a long time coming.

DNS 75

DNS Encryption Firewall Network Security 75

Security Boulevard

FEBRUARY 1, 2023

In this guide we look at how to get familiar with using/tweaking Safing Portmaster , an open-source and host-based application firewall available for Linux and Windows machines. Compatibility note (port 53) Portmaster binds to Port 53 (DNS). Usually, this is because another service (likely DNS-related) is listening to this port.

DNS 75

DNS Firewall Internet Internet 75

McAfee

DECEMBER 1, 2021

CVE-2021-20322: Of all the words of mice and men, the saddest are, “it was DNS again.” Palo Alto Networks (PAN) firewalls that use its GlobalProtect Portal VPN running PAN-OS versions older than 8.1.17 Next, call up whoever manages your firewall and demand they power it down immediately – use threats if you must.

DNS 90

DNS Firewall VPN Internet 90

eSecurity Planet

DECEMBER 2, 2021

A next-generation firewall (NGFW) is an important component of network security and represents the third generation of firewall technology. NGFWs provide capabilities beyond that of a traditional, stateful firewall , including cloud-delivered threat intelligence , integrated intrusion prevention , and application awareness and control.

Firewall 130

Firewall DNS Network Security Artificial Intelligence 130

Cisco Security

AUGUST 12, 2021

This requires a robust connection to the Internet (Lumen and Gigamon), firewall protection (Palo Alto Networks), segmented wireless network (Commscope Ruckus) and network full packet capture & forensics and SIEM (RSA NetWitness); with Cisco providing cloud-based security and intelligence support. From Russia With Love. urlscan.io.

DNS 145

DNS Firewall Malware Mobile 145

CyberSecurity Insiders

MAY 18, 2022

These developments have made the perimeter so porous that the old approach of simply hiding behind a firewall and keeping the rest of the world at bay is no longer feasible. So why aren’t more organizations taking advantage of protective DNS? So where do we go from here? The issue likely comes down to awareness.

DNS 140

DNS Cybersecurity CISO Social Engineering 140

Identity IQ

MARCH 9, 2023

IdentityIQ We rely on the internet, from communicating with loved ones on social media to working and conducting business. If you can connect to the network without a password, open your web browser and see if you can browse the internet. This is especially important if you’re using a public computer to access the internet.

VPN 98

VPN Antivirus Identity Theft Passwords 98

eSecurity Planet

APRIL 26, 2024

Server: Provides powerful computing and storage in local, cloud, and data center networks to run services (Active Directory, DNS, email, databases, apps). Endpoint: Enables access for human users and computer services and commonly includes PCs, laptops, Internet of Things (IoT), and operational technology (OT).

Architecture 120

Architecture Network Security Firewall Risk 120

Security Affairs

APRIL 21, 2022

Umbrella is Cisco’s cloud-based Secure Internet Gateway (SIG) platform that provides users with multiple levels of defense against internet-based threats. Umbrella integrates secure web gateway, firewall, DNS-layer security, and cloud access security broker (CASB) functionality to protect systems against threats.

DNS 130

DNS Internet Internet Firewall 130

Security Affairs

MAY 16, 2023

The researchers discovered eight vulnerabilities that impact thousands of internet-connected devices worldwide. The experts demonstrated multiple attack vectors, including the exploitation of flaws in internet-exposed services, cloud account takeover, and the exploitation of flaws in the cloud infrastructure. through 00.07.03.4

Hacking 98

Hacking Internet Internet Manufacturing 98

eSecurity Planet

SEPTEMBER 25, 2023

Founded in 2004, Cloudflare initially wanted to determine the source of email spam and became dedicated to building a better, more secure internet. The lowest tier of Cloudflare One provides support for 50 users maximum, 24 hours of activity logging, and up to three network locations for office-based DNS filtering. Who Is Cloudflare?

DNS 98

DNS DDOS IoT Firewall 98

eSecurity Planet

FEBRUARY 23, 2024

An application gateway, also known as an application level gateway (ALG), functions as a critical firewall proxy for network security. Understanding ALGs involves knowing how they work, their pros and cons, and how they integrate with or differ from other types of firewalls.

Firewall 104

Firewall VPN Network Security Architecture 104

Malwarebytes

MAY 25, 2022

Since Linux is deployed on many IoT (Internet of Things) devices and cloud infrastructures, we are likely to see DDoS (distributed denial-of-system) attacks from botnets that have compromised such devices. Microsoft said that XorDDoS continues to home on Linux-based systems, demonstrating a significant pivot in malware targets.

Malware 136

Malware IoT DDOS DNS 136

Cisco Security

MARCH 16, 2021

Hiding internet activity strengthens privacy—but also makes it easier for bad actors to infiltrate the network. In this blog I’ll describe two recent privacy advances—DNS over HTTPS (DoH) and QUIC—and what we’re doing to maintain visibility. Keeping your destination private: DNS over HTTPS. DoH prevents both of these problems.

Encryption 91

Encryption DNS Threat Detection Internet 91

eSecurity Planet

SEPTEMBER 26, 2023

SD-WAN integration with the SASE controller for Meraki, Catalyst, and others Cisco Umbrella SIG unifies firewall, SWG, DNS-layer security, CASB, and threat intelligence functions into a single and well-tested cloud service.

Firewall 98

Firewall DNS Architecture Technology 98

eSecurity Planet

SEPTEMBER 26, 2023

Founded in 2000, Fortinet began producing physical firewall appliances and soon expanded into other security categories. FortiSASE Thin Branch Secure Internet Access When neither agent-based or agentless solutions are appropriate, customers can install a Thin Branch appliance. Who is Fortinet? Mbps of bandwidth.

Firewall 98

Firewall DNS Technology Antivirus 98

eSecurity Planet

MARCH 14, 2023

When the internet arrived, the network added a firewall to protect networks and users as they connected to the world wide web. The internet of things (IoT), operations technology (OT), and the industrial internet of things (IIoT) also now connect to networks. In a complex, modern network, this assumption falls apart.

Network Security 98

Network Security Firewall Penetration Testing Encryption 98