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.

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DNS Manufacturing Firewall Internet 138

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

eSecurity Planet

SEPTEMBER 3, 2022

For example, the 2016 DDoS attack on the Dyn managed domain name service (DNS) caused the DNS service to fail to respond to legitimate DNS inquiries and effectively shut down major sites such as PayPal, Spotify, Twitter, Yelp, and many others. Also read: How to Secure DNS. Types of DDoS Attacks. Harden infrastructure.

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DDOS DNS Firewall Internet 145

Security Affairs

OCTOBER 11, 2021

A wildcard certificate allows administrators to use a single wildcard certificate to protect each of subdomains, anyway, researchers warn that the use of wildcard TLS certificates could be exploited by attackers to decrypt TLS-encrypted traffic.

DNS 142

DNS Encryption Risk Firewall 142

Malwarebytes

JULY 26, 2022

Part 1: Your data has been encrypted! Part 1: Your data has been encrypted! As you can see, our files have in fact been encrypted by the ransomware across multiple directories with the “ encrypt ” extension. Let’s start a ping to Google’s DNS server. encrypted versions of the same file. .

Encryption 66

Encryption Ransomware Backups Firewall 66

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 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.

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DNS Firewall Internet Internet 75

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). Next-generation firewalls (NGFWs): Improve the general security of a firewall with advanced packet analysis capabilities to block malware and known-malicious sites.

Architecture 120

Architecture Network Security Firewall Risk 120

Cisco Security

NOVEMBER 3, 2022

Cisco provided automated malware analysis, threat intelligence, DNS visibility and Intrusion Detection; brought together with SecureX. The findings report addresses several security topics, including: Encrypted vs. Unencrypted network traffic. Domain Name Server (DNS). Firepower Encrypted Visibility Engine (EVE).

Wireless 88

Wireless DNS Education Encryption 88

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.

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Ransomware DNS Encryption Backups 144

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. Technical controls may be implemented by: Hardware appliances : switches, routers, firewalls, etc. Encryption will regularly be used to protect the data from interception.

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Network Security Firewall Penetration Testing Encryption 98

eSecurity Planet

MARCH 22, 2023

The tools also depend upon physical controls that should also be implemented against malicious physical access to destroy or compromise networking equipment such as routers, cables, switches, firewalls, and other networking appliances. These physical controls do not rely upon IT technology and will be assumed to be in place.

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Firewall Network Security Penetration Testing Encryption 109

eSecurity Planet

FEBRUARY 4, 2022

Antivirus Software WiFi 6 Routers Virtual Private Networks Password Managers Email Security Software Web Application Firewall Bot Management Software. Scheduled scans Encryption Identity theft protection. DNS leak protection Kill switch No log policy. Types of Internet Security Tools. Antivirus Software. Back to top.

Internet 144

Internet Internet Software Antivirus 144

Identity IQ

MARCH 9, 2023

Use a VPN A VPN encrypts your traffic with military-grade encryption. Use a Firewall A firewall can help protect your computer from attacks by blocking incoming connections that are not authorized. Many routers come with a basic firewall built in, but you can also install software firewalls on your computers.

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VPN Antivirus Identity Theft Passwords 98

eSecurity Planet

JUNE 8, 2023

It can be time consuming to establish these protocols on an organization’s DNS servers, but doing so will provide two key benefits. Email security tools offer features that screen emails for malicious content using antivirus, anti-spam, DNS, attachment, and other analytics.

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Firewall DNS Authentication Malware 80

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. This botnet does not seem to be a very typical player.”

IoT 145

IoT Firmware Advertising DNS 145

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.

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Firewall DNS Architecture Technology 98

Security Affairs

SEPTEMBER 25, 2022

If you want to also receive for free the newsletter with the international press subscribe here. builder Over 39K unauthenticated Redis services on the internet targeted in cryptocurrency campaign Hackers stole $160 Million from Crypto market maker Wintermute U.S.

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Cryptocurrency Data breaches DNS DDOS 100

CyberSecurity Insiders

JANUARY 6, 2022

Secure Sockets Layer (SSL) is a standard security protocol that encrypts the connection between a web browser and a server. This only takes a few clicks, because an SSL certificate is a text file with encrypted data. HTTPS and DNS), data link (e.g., Use data encryption. Given that the average cost of a data breach is $3.86

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Encryption Identity Theft Authentication Data breaches 134

eSecurity Planet

MAY 19, 2022

EdgeConnect Enterprise critically comes with firewall , segmentation , and application control capabilities. The first traditional cybersecurity vendor featured is Barracuda Networks, with consistent recognition for its email security , next-generation firewalls ( NGFW ), web application security , and backups. Features: Cisco SD-WAN.

Firewall 120

Firewall Architecture Encryption Network Security 120

CyberSecurity Insiders

MARCH 21, 2021

With a VPN like Surfshark to encrypt your online traffic and keep it protected against any security breach, your valuable data isn’t going to get compromised easily anytime soon. Firewalls . Install hardware firewalls for the maximum level of network security. . Protecting your data is very simple. Two-factor authentication .

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Small Business Cyber Attacks VPN Backups 145

eSecurity Planet

FEBRUARY 23, 2022

Invisibility sounds like something out of a fantasy novel, but if done properly, we can use it to hide computers, gateways, or individual PCs by implementing specific firewall techniques like port knocking or single-packet authorization (SPA). If we obscure an IP address, the attacker may overlook the hidden device.

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DNS Firewall Encryption VPN 117

eSecurity Planet

MAY 25, 2022

IDS and IPS solutions help fill in the gaps between endpoint protection , firewalls , and other parts of the security stack. Even the smallest organizations know that they should implement firewalls and endpoint protection solutions. This equipment usually cannot be protected by antivirus solutions or device-specific firewalls.

Firewall 109

Firewall Wireless Software Encryption 109

Krebs on Security

NOVEMBER 11, 2019

Multiple firewall products. DNS controls. Encryption certificates. Orvis says the exposure was inadvertent, and that many of the credentials were already expired. Data backup services. Linux servers. Cisco routers. Netflow data. Call recording services. Orvis wireless networks (public and private). Oracle database servers.

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Retail Passwords Wireless Backups 198

Webroot

JUNE 21, 2021

It may be as simple as the deployment of antivirus plus backup and recovery applications for your end users, or a more complex approach with security operations center (SOC) tools or managed response solutions coupled with network security tools such as DNS and Web filtering, network and endpoint firewalls, VPNs, backup and recovery and others.

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Backups DNS Ransomware Antivirus 127

eSecurity Planet

MAY 2, 2024

50,000 DDoS attacks on public domain name service (DNS) resolvers. 553% increase in DNS Flood attacks from 1H 2020 to 2H 2023. DDoS attacks on single networks or websites render them unavailable, but DDoS attacks on DNS resolvers bring down all networks and websites using that DNS resource.

Cybersecurity 121

Cybersecurity DDOS Penetration Testing Passwords 121

Security Affairs

JUNE 20, 2022

If you want to also receive for free the newsletter with the international press subscribe here. Security Affairs is one of the finalists for the best European Cybersecurity Blogger Awards 2022 – VOTE FOR YOUR WINNERS.

Spyware 107

Spyware DNS Surveillance Ransomware 107

Cisco Security

NOVEMBER 29, 2021

It is a team effort, where collaboration combines a robust backbone (Gigamon), firewall protection (Palo Alto Networks), segmented wireless network (Commscope Ruckus) and network full packet capture & forensics, with identity (RSA NetWitness). This was only possible because the device was supervised. The other half is Clarity for iOS.

DNS 142

DNS Mobile Malware Firewall 142

Cisco Security

AUGUST 26, 2022

This new integration supports Umbrella proxy, cloud firewall, IP, and DNS logs. This integration expands on Elastic’s on-going expansion of Cisco integrations including ASA, Nexus, Meraki, Duo and Secure Firewall Threat Defense. New Cisco Firepower Next-Gen Firewall Integrations. Read more here. Read more here.

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Firewall Authentication Passwords Threat Detection 135

eSecurity Planet

JUNE 6, 2022

At its broadest level, it aims to secure everything outside enterprise firewalls , a concept known as the ever-expanding network edge. Specific technologies found in SASE offerings often include SD-WAN and Cloud Access Security Brokers (CASB) , secure web gateways , ZTNA, firewalls as a service (FWaaS) , VPNs and microsegmentation.

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Firewall Architecture Technology Encryption 117

Security Affairs

MARCH 22, 2020

. “On March 16th I have found an unprotected and thus publicly available Elasticsearch instance which appeared to be managed by a UK-based security company, according to the SSL certificate and reverse DNS records.” ” wrote Security Discovery’s researcher Bob Diachenko. Adobe, Last.

Data breaches 111

Data breaches Advertising DNS Engineering 111

Malwarebytes

AUGUST 8, 2023

Because of the HTTPS connection and the port the data exchange takes place on (QUIC on port 7844), it is unlikely to be picked up by protection software like firewalls unless specifically instructed to do so. Stop malicious encryption. So, if you don’t need those, this is another good reason to disable them.

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Backups Ransomware DNS Software 82

Security Affairs

OCTOBER 20, 2021

The package also sets two registry values under the key “HKLMSYSTEMCurrentControlSetControlSession Manager” and runs a.vbs script that creates a Windows firewall rule to block incoming connections on ports 135, 139, and 445. . The final backdoor is a DLL file protected by the VMProtect. ” continues the analysis.

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Encryption DNS Architecture Firewall 114

Cisco Security

AUGUST 29, 2022

25+ Years of Black Hat (and some DNS stats), by Alejo Calaoagan. Cisco is a Premium Partner of the Black Hat NOC , and is the Official Wired & Wireless Network Equipment, Mobile Device Management, DNS (Domain Name Service) and Malware Analysis Provider of Black Hat. Meraki syslogs into NetWitness SIEM and Palo Alto Firewall.

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DNS Wireless Malware Firewall 95

eSecurity Planet

MARCH 16, 2023

DNS attacks : DNS cache poisoning, or hijacking, redirects a legitimate site’s DNS address and takes users to a malicious site when they attempt to navigate to that webpage. Traffic Malicious packets attempt to enter a network, requiring firewalls and other systems, like IDPS, to prevent them.

Network Security 109

Network Security Firewall Internet Internet 109

Malwarebytes

MAY 12, 2021

Receivers are not required to check whether every fragment that belongs to the same frame is encrypted with the same key and will reassemble fragments that were decrypted using different keys. CVE-2020-24587 : Mixed key attack (reassembling fragments encrypted under different keys). reassembling mixed encrypted/plaintext fragments.

Encryption 90

Encryption Firewall Authentication DNS 90

Security Boulevard

AUGUST 12, 2024

SSL Termination: Reverse proxies can manage SSL/TLS encryption and decryption, relieving backend servers from the computational load of handling these tasks. This can be achieved through protective DNS solutions, or firewall rules to prevent potential malware communications from reaching their command-and-control (C2) servers.

DNS 64

DNS Malware Accountability Network Security 64