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

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 61

DNS Phishing Ransomware Internet 61

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 79

DNS Hacking Firmware Wireless 79

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 100

Internet Internet Advertising Encryption 100

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 69

IoT DNS Internet Internet 69

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

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 245

DNS Internet Internet Firewall 245

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 116

Hacking DNS Surveillance Cybercrime 116

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 116

Hacking DNS Firewall Malware 116

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

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 69

DNS Encryption Firewall Network Security 69

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 136

DNS Firewall Phishing Mobile 136

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 97

VPN Antivirus Identity Theft DNS 97

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 97

Hacking Internet Internet Manufacturing 97

eSecurity Planet

DECEMBER 8, 2023

Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. Everything You Need to Know.

DNS 97

DNS DDOS Firewall Architecture 97

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 116

DNS Firewall Internet Internet 116

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 134

Malware IoT DDOS DNS 134

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 85

Encryption DNS Threat Detection Internet 85

Security Affairs

SEPTEMBER 25, 2022

builder Over 39K unauthenticated Redis services on the internet targeted in cryptocurrency campaign Hackers stole $160 Million from Crypto market maker Wintermute U.S. builder Over 39K unauthenticated Redis services on the internet targeted in cryptocurrency campaign Hackers stole $160 Million from Crypto market maker Wintermute U.S.

Cryptocurrency 94

Cryptocurrency Data breaches DNS DDOS 94

eSecurity Planet

JULY 25, 2022

The domain name system (DNS) is basically a directory of addresses for the internet. Your browser uses DNS to find the IP for a specific service. For example, when you enter esecurityplanet.com, the browser queries a DNS service to reach the matching servers, but it’s also used when you send an email.

DNS 125

DNS Penetration Testing Encryption Architecture 125

CyberSecurity Insiders

MARCH 21, 2021

Therefore, make sure to set up the latest network routers and firewall protocols across all IT equipment to strengthen your security and create a defense against hackers and security breaches. Firewalls . Install hardware firewalls for the maximum level of network security. . Two-factor authentication . Monitoring system.

Small Business 145

Small Business Cyber Attacks VPN Backups 145

Cisco Security

AUGUST 11, 2021

We looked at REvil, also known as Sodinokibi or Sodin, earlier in the year in a Threat Trends blog on DNS Security. In it we talked about how REvil/Sodinokibi compromised far more endpoints than Ryuk, but had far less DNS communication. Figure 1-DNS activity surrounding REvil/Sodinokibi. Changing firewall rules.

Ransomware 127

Ransomware DNS Encryption Backups 127

Security Affairs

JULY 30, 2019

Even a device that is reaching outbound to the internet could be attacked and taken over. “As an example of this scenario, consider how such an attack can take over the SonicWall firewall, which runs on the impacted VxWorks OS.” ” reads the report published by Armis Labs. ” continues the report.

Risk 77

Risk IoT Firewall DNS 77

Security Affairs

OCTOBER 5, 2020

Unlike other IoT DDoS botnets, Ttint implements 12 remote access functions such as Socket5 proxy for router devices, tampering with router firewall and DNS settings, executing remote custom system commands.

IoT 142

IoT Firmware DNS Advertising 142

SiteLock

AUGUST 27, 2021

This is a huge security win for WordPress.com users and the Internet at large. The first and probably most fundamental upgrade to your site’s security is to implement a web application firewall, or WAF. A recent article reported that WordPress.com is moving to enable HTTPS by default on all of its 600,000 hosted sites.

DNS 52

DNS Firewall Malware Engineering 52

Security Affairs

JULY 27, 2020

In December 2018, security experts from Trend Micro discovered that some machine-to-machine (M2M) protocols can be abused to attack IoT and industrial Internet of Things (IIoT) systems. According to our estimate, CoAP can reach up to 32 times (32x) amplification factor, which is roughly between the amplification power of DNS and SSDP.”.

DDOS 116

DDOS IoT Internet Internet 116

Security Affairs

NOVEMBER 3, 2019

This week a controversial law entered into effect in Russia, it would allow the government to cut internet traffic from the global Internet. This week a controversial law entered into effect in Russia, it would allow the Russian government to disconnect the country from the global Internet.

Internet 52

Internet Internet DNS Government 52

eSecurity Planet

JULY 7, 2023

Popular DDoS Web Analytics Tools Some popular DDoS web analytics tools include: CloudFlare Web Application Firewall Sucuri Website Firewall Azure Web Application Firewall AWS WAF Imperva Early Warning Signs of a DDoS Attack Having tools like web application firewalls and monitoring services in place are your best defense against a DDoS attack.

DDOS 84

DDOS Firewall Software DNS 84

Cisco Security

MAY 17, 2021

This functionality is powered by the massive, real-time Talos threat intelligence feed (>40,000 active threat detection elements) to extend the depth of the Umbrella cloud-delivered firewall. is now available with Cisco Secure Firewall Management Center. Additionally, new Snort 3 IPS with Threat Defense 7.0

Firewall 74

Firewall Architecture Internet Internet 74

Security Affairs

SEPTEMBER 4, 2019

In addition, we’re shooting for 7x24x365 uptime as we continue to scale with improved Web App Firewalls, Content Deliver Networks (CDNs) around the Globe, Faster and More Secure DNS and CyberDefenseMagazineBackup.com up and running as an array of live mirror sites. It’s mobile and tablet friendly and superfast.

DNS 67

DNS Advertising Firewall Mobile 67

SecureWorld News

MARCH 29, 2024

At its core, this tactic revolves around gaming the trust users put in reputable internet services, including search engines, and the familiarity they have with online advertising per se. A DNS firewall and a classic antivirus are somewhat underused yet effective security tools that will come in handy.

Cybercrime 78

Cybercrime Advertising Engineering Antivirus 78

SC Magazine

MAY 18, 2021

Companies transitioning to the cloud have to think of cybersecurity as more than firewalls, access controls and incident response, and define goals of security that go beyond confidentiality, integrity and availability, said Randy Vickers, chief information security officer for the U.S. Sean Gallup/Getty Images). Technical review.

Cloud Migration 87

Cloud Migration CISO Firewall DNS 87

SiteLock

AUGUST 27, 2021

With cyberthreats increasing in variety, protecting your website is no longer about installing a basic firewall. To help you start your own deployment, below are three non-firewall add-ons that you should have in order to develop a comprehensive website security plan. Add-Ons That Help Website Security. DDoS Attack Protection.

DDOS 52

DDOS Firewall DNS Data breaches 52

eSecurity Planet

AUGUST 22, 2023

Expanding attack surfaces require additional skills to secure, maintain, and monitor an ever-expanding environment of assets such as mobile, cloud, and the internet of things (IoT). Cybersecurity tool costs continue to increase and often require advanced training or cybersecurity experience. assets (endpoints, servers, IoT, routers, etc.),

Telecommunications 78

Telecommunications Firewall Penetration Testing Cybersecurity 78

SiteLock

AUGUST 27, 2021

One recent example of Application Layer Attacks were the Mirai attacks on Dyn’s DNS servers that recently caused massive internet outages, where a botnet was formed using devices from the internet of things to leverage the attack. This DDoS vector accounts for about 20 percent of all DDoS attacks.

DDOS 52

DDOS Firewall Accountability DNS 52

Security Affairs

OCTOBER 20, 2021

” The hacking group initially compromised one of the telecommunication companies by leveraging external DNS (eDNS) servers which are part of the General Packet Radio Service (GPRS) network. The /bin/bash process spawned by PingPong masquerades under the process name httpd.”

Telecommunications 122

Telecommunications Mobile Hacking Architecture 122

SiteLock

AUGUST 27, 2021

Cybercriminals create specialized tools that scour the internet for certain platforms, like WordPress or Joomla, looking for common and publicized vulnerabilities. A CSRF attack was recently used to seize all control of a Brazilian bank’s DNS settings for over five hours. Mitigating and Preventing Vulnerabilities.

Firewall 98

Firewall eCommerce Malware DNS 98