Tech Republic Security

MARCH 8, 2024

Unlocator VPN + Free Smart DNS blasts through firewalls, censorship and geo-restrictions so you will always be able to access your favorite content. Use code ENJOY20 at checkout.

DNS 113

DNS VPN Firewall 113

Security Affairs

JUNE 17, 2022

China-linked threat actors exploited the zero-day flaw CVE-2022-1040 in Sophos Firewall weeks before it was fixed by the security vendor. On March 25, Sophos announced to have fixed the authentication bypass vulnerability, tracked as CVE-2022-1040, that resides in the User Portal and Webadmin areas of Sophos Firewall. MR3 (18.5.3)

Firewall 132

Firewall DNS Authentication Malware 132

SC Magazine

MARCH 4, 2021

A PDNS service uses existing DNS protocols and architecture to analyze DNS queries and mitigate threats. A PDNS can log and save suspicious queries and provide a blocked response, delaying or preventing malicious actions – such as ransomware locking victim files – while letting organizations investigate using those logged DNS queries.

DNS 131

DNS Architecture Firewall Malware 131

The Last Watchdog

DECEMBER 6, 2019

In 2019, we’ve seen a surge in domain name service (DNS) hijacking attempts and have relayed warnings from the U.S. In the enterprise environment, domain names, DNS, and certificates are the lifeline to any internet-based application including websites, email, apps, virtual private networks (VPNs), voice over IP (VoIP) and more.

DNS 182

DNS Firewall Social Engineering Risk 182

Security Boulevard

MAY 9, 2023

In the case of SASE Security, the predominant components discussed are Secure Web Gateway (SWG), Cloud Access Security Broker (CASB), Zero Trust Network Access (ZTNA), and Next-Generation Firewall (NGFW). Security functions across these components are […] The post Role of DNS-level security for SASE appeared first on Aryaka.

DNS 52

DNS Firewall 52

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 142

DNS Phishing Ransomware Internet 142

Cisco Security

MAY 26, 2021

This is where Cisco Secure Firewall Cloud Native (SFCN) comes in. Cisco Secure Firewall Cloud Native brings together the benefits of Kubernetes and Cisco’s industry-leading security technologies, providing a resilient architecture for infrastructure security at scale. Scalable edge firewall. Scalable DC backhauls.

Firewall 110

Firewall VPN Architecture DNS 110

Malwarebytes

JULY 12, 2021

Firefox recently announced that it will be rolling out DNS-over-HTTPS (or DoH) soon to one percent of its Canadian users as part of its partnership with CIRA (the Canadian Internet Registration Authority), the Ontario-based organization responsible for managing the.ca The DNS resolver the request is sent to also sees the DNS request, too.

DNS 108

DNS Encryption Internet Internet 108

Cisco Security

MARCH 23, 2021

This is what we covered in part one of this Threat Trends release on DNS Security, using data from Cisco Umbrella , our cloud-native security service. This time we’ll be comparing yearly totals of DNS traffic to malicious sites, by industry. As in part one, we’ll be looking at data covering the calendar year of 2020.

DNS 131

DNS Financial Services Healthcare Manufacturing 131

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

Dark Reading

JUNE 13, 2019

New analysis shows widespread DNS protection could save organizations as much as $200 billion in losses every year.

DNS 90

DNS Firewall 90

Dark Reading

JUNE 13, 2019

New analysis shows widespread DNS protection could save organizations as much as $200 billion in losses every year.

DNS 91

DNS Firewall Cybercrime 91

eSecurity Planet

FEBRUARY 14, 2024

Stateful inspection is a firewall feature that filters data packets based on the context of previous data packets. For example, a firewall performing stateful inspection may be tracking an active FTP transfer with the FTP server and show a network laptop in a Listen or Closed status. Stateless protocols (UDP, HTTP, etc.)

Network Security 104

Network Security Firewall DNS DDOS 104

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 63

DNS Phishing Ransomware Internet 63

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 78

DNS Hacking Firmware Wireless 78

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

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

CSO Magazine

JANUARY 19, 2021

Security researchers have found several serious vulnerabilities in dnsmasq, a utility used in many Linux-based systems, especially routers and other IoT devices, to provide DNS services. Dnsmasq is a lightweight tool that provides DNS caching, DNS forwarding and DHCP (Dynamic Host Configuration Protocol) services.

DNS 104

DNS CSO IoT Software 104

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. Recorded Future.

DNS 141

DNS Firewall Phishing Mobile 141

Webroot

APRIL 13, 2021

This includes essential security measures like firewalls, endpoint protection and DNS protection. And, since even firewalls can be circumvented, it means keeping backups of all business data so you never have to pay a ransom to get your data back. Attacks like BEC are less about malware and more about manipulating people.

Ransomware 123

Ransomware DNS Firewall Security Awareness 123

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

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

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

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 113

DNS DDOS Firewall Architecture 113

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

Threatpost

AUGUST 8, 2018

A Black Hat talk demonstrates the ease of poking holes in firewalls: How to break, bypass and dismantle macOS firewall products.

Firewall 43

Firewall DNS Malware Hacking 43

Webroot

MARCH 9, 2021

DNS (Domain Name System) is especially vulnerable. One of the most common methods of infiltration includes internet-based attacks, such as Denial of Service (DoS), Distributed Denial of Service (DDoS) and DNS poisoning. However, cybercriminals can also use legal DNS traffic surveillance to their advantage.

Hacking 115

Hacking DNS Surveillance Cybercrime 115

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. . “This is especially poignant as we approach the anniversary of WannaCry, which famously used the EternalBlue SMB vulnerability to propagate at great pace,” Breen added.

DNS 256

DNS Internet Internet Firewall 256

CSO Magazine

FEBRUARY 23, 2021

Common logs from servers and firewalls are fairly easily ingested and parsed, while DNS or physical security logs are much tougher to manage at scale, and block visibility into the security environment. All logs are not created equal.

DNS 84

DNS Firewall 84

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 spoofing or poisoning.

DNS 137

DNS Penetration Testing Encryption Architecture 137

Identity IQ

MARCH 9, 2023

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.

VPN 96

VPN Antivirus Identity Theft DNS 96

Cisco Security

MARCH 16, 2021

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. When you type “example.com” in your browser, the request goes to a DNS server that matches the URL to an IP address. I welcome your comments.

Encryption 85

Encryption DNS Threat Detection Internet 85

Cisco Security

NOVEMBER 3, 2022

Cisco provided automated malware analysis, threat intelligence, DNS visibility and Intrusion Detection; brought together with SecureX. Domain Name Server (DNS). Dinkar Sharma / Seyed Khadem-Djahaghi – Cisco Secure Firewall. In the SOC, NetWitness had real time visibility of the traffic traversing the wireless network.

Wireless 73

Wireless DNS Education Encryption 73

Cisco Security

MARCH 17, 2021

For other organizations, this means DNS-layer security giving a first line of defense against threats before they reach network endpoints. While for others, they start with DNS and expand to the secure web gateway (SWG) or cloud-delivered firewall (FWaaS) for deeper inspection and control of web and non-web application traffic.

Architecture 140

Architecture DNS Firewall Accountability 140

Krebs on Security

MARCH 2, 2020

HYAS said it quickly notified the French national computer emergency team and the FBI about its findings, which pointed to a dynamic domain name system (DNS) provider on which the purveyors of this attack campaign relied for their various malware servers. ‘FATAL’ ERROR.

DNS 256

DNS Penetration Testing Malware Hacking 256

The Last Watchdog

DECEMBER 13, 2020

It can also deploy web filtering, threat prevention, DNS security, sandboxing, data loss prevention, next-generation firewall policies, information security and credential theft prevention. . SASE then provides secure connectivity between the cloud and users, much as with a VPN. But it much further. The cyber threats landscape.

B2C 214

B2C IoT B2B VPN 214

Webroot

MAY 26, 2021

Remote workers were abruptly pulled out from behind the corporate firewall, immediately becoming more susceptible to the targeted attacks of cybercriminals. Many office workers have yet to return to the office in the volumes they worked in pre-pandemic. For MSPs, that makes up a good portion of their clientele.

Scams 110

Scams DNS Firewall Phishing 110