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 145

Firewall DNS Authentication Malware 145

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

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 139

DNS Phishing Ransomware Internet 139

Bleeping Computer

APRIL 29, 2024

A new cluster of activity tracked as "Muddling Meerkat" is believed to be linked to a Chinese state-sponsored threat actor's manipulation of DNS to probe networks globally since October 2019, with a spike in activity observed in September 2023. [.]

DNS 97

DNS Firewall 97

Cisco Security

NOVEMBER 2, 2021

This is where Cisco Secure Firewall Cloud Native comes in, giving you the flexibility to provision, run, and scale containerized security services. 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.

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Firewall DNS Architecture Authentication 103

Dark Reading

JUNE 13, 2019

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

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DNS Firewall 90

Cisco Security

JULY 9, 2021

With Cisco Secure Firewall, organizations are able to build a scalable RAVPN architecture on OCI, providing employees secure remote access to their organization’s resources from any location or endpoint. It enforces security at the DNS layer to block malware, phishing, and command and control callbacks over any port.

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Firewall Architecture DNS VPN 102

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.

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Firewall Software Network Security Encryption 130

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 125

DNS Financial Services Manufacturing Healthcare 125

eSecurity Planet

NOVEMBER 10, 2023

DNS security protects the domain name system (DNS) from attackers seeking to reroute traffic to malicious sites. Since a majority of business IT traffic now accesses or passes through the internet, DNS plays an increasingly important — and vulnerable — role. in the DNS cache for more efficient delivery of information to users.

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DNS DDOS Encryption Authentication 103

Cisco Security

OCTOBER 19, 2021

In any perimeter defense a key component is firewalls—the proverbial guard towers in your fortifications. In this Threat Trends release, we’ll be looking at Cisco Secure Firewall. The goal is to highlight the common threats that organizations encounter and block with Secure Firewall. Secure Firewall version 7.0

Firewall 114

Firewall Authentication DNS Accountability 114

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

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 139

DNS VPN Firewall 139

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.

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Firewall VPN Architecture DNS 106

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

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 97

Firewall Penetration Testing DNS Network Security 97

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

CSO Magazine

APRIL 13, 2023

Domain name system (DNS) tunneling is a pervasive threat that enables hackers to get any data in and out of a company's internal network while bypassing most firewalls. But DNS tunneling essentially smuggles hostile traffic through DNS ports, which makes these attacks difficult to detect and mitigate.

DNS 83

DNS Risk Firewall Internet 83

Security Boulevard

MAY 16, 2024

Microsoft is working on a promising-looking protocol to lock down DNS. ZTDNS aims to solve this decades-old problem by integrating the Windows DNS engine with the Windows Filtering Platform—the core component of the Windows Firewall—directly into client devices. The post Zero-Trust DNS appeared first on Security Boulevard.

DNS 59

DNS Firewall Engineering 59

Security Affairs

AUGUST 4, 2024

Volexity researchers reported that a China-linked APT group, tracked as StormBamboo (aka Evasive Panda , Daggerfly , and StormCloud), successfully compromised an undisclosed internet service provider (ISP) in order to poison DNS responses for target organizations. The company linked the attacks to StormBamboo APT group.

Malware 145

Malware DNS Firewall Software 145

Troy Hunt

JULY 19, 2018

This means they can do everything from cache responses to stop potentially malicious threats to apply firewall rules to block certain user agents or IP addresses. Onto the next piece and per the title, it's going to involve DNS rollover. As such, I need to roll DNS to go from pointing to one Function app to another one.

DNS 131

DNS Passwords Firewall Authentication 131

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.

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DNS Internet Internet Firewall 300

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.

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DNS Penetration Testing Malware Hacking 276

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 141

DNS Manufacturing Firewall Internet 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.

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Ransomware DNS Firewall Security Awareness 130

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.

DDOS 140

DDOS DNS Firewall Internet 140

Security Boulevard

JULY 9, 2024

Operational resiliency necessitates intelligence, visibility, and confidence: the three foundational pillars of protective DNS (PDNS). This makes malware command-and-control, phishing attacks, DNS tunneling and a number of other attacks significantly less effective. But Wait, What Is Protective DNS?

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DNS Cyber threats Cyber Attacks Phishing 64

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 137

DNS Firewall Malware Phishing 137

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 62

DNS Phishing Ransomware Internet 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 88

DNS Internet Internet IoT 88

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 105

IoT DNS Internet Internet 105

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 90

Network Security Firewall DNS DDOS 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.

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Firewall DNS Network Security Artificial Intelligence 128

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

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.

IoT 214

IoT B2C B2B VPN 214

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

Daniel Miessler

MAY 8, 2020

Change your DNS to 1.1.1.2, Next, you can consider changing your DNS settings on all your devices to use those by Cloudflare. The Ubiquiti stuff has been getting better and better over the years, and as someone who started in firewall engineering, I’m starting to see tons of enterprise features in these things. or 1.1.1.3

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Passwords DNS Accountability IoT 255