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 319

DNS Penetration Testing Malware Hacking 319

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 144

Malware DNS Firewall Software 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

MARCH 11, 2021

Our Threat Trends blog series takes a look at the activity that we see in the threat landscape and reports on those trends. After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. Organizations and malicious DNS activity. Cryptomining.

DNS 85

DNS Phishing Ransomware Internet 85

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 133

Ransomware DNS Firewall Security Awareness 133

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 108

DNS Encryption Firewall Network Security 108

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 139

Hacking DNS Firewall Malware 139

Webroot

MARCH 9, 2021

In that spirit, we put together this blog post to explain the different hacker types and methods they use against us. 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.

Hacking 132

Hacking DNS Surveillance Cybercrime 132

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?

DNS 64

DNS Cyber threats Cyber Attacks Phishing 64

Security Boulevard

MAY 9, 2023

Many articles in the industry and my blog on Deciphering SASE are very clear on the major constituents of SASE. 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).

DNS 52

DNS Firewall 52

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 Firewall 214

Security Affairs

APRIL 21, 2022

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

DNS 130

DNS Firewall Internet Internet 130

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 141

Architecture DNS Firewall Accountability 141

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 145

Ransomware DNS Encryption Backups 145

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.

Encryption 97

Encryption DNS Threat Detection Internet 97

Troy Hunt

NOVEMBER 25, 2020

When Patching Goes Wrong Now that I've finished talking about how patching should be autonomous, let's talk about the problems with that starting with an issue I raised in this tweet from yesterday: In the first of my IoT blog series yesterday, I lamented how one of my smart plugs was unexplainably inaccessible. So, what's the right approach?

IoT 363

IoT Firmware Risk Encryption 363

Security Affairs

JUNE 20, 2022

sections “The Underdogs – Best Personal (non-commercial) Security Blog” and “The Tech Whizz – Best Technical Blog”). 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 Ransomware Surveillance 107

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.

Backups 131

Backups DNS Ransomware Antivirus 131

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.

Firewall 144

Firewall Authentication Passwords Threat Detection 144

SiteLock

AUGUST 27, 2021

Cybercriminals are constantly crawling the web for targets, and they’ll often go after websites you might not expect, such as a vegan cooking blog. Joe’s Vegan Blog Cooks Up Comment Spam. Joe is the founder of a widely popular vegan food blog. Why would cybercriminals be interested in hacking a vegan food blog?

Hacking 98

Hacking DDOS eCommerce Firewall 98

SecureWorld News

DECEMBER 5, 2024

Researchers from Zafran have identified a critical misconfiguration in Web Application Firewalls (WAF) from major providers, including those from Akamai, Cloudflare, and Imperva. Zafran has also offered a technical blog offering a deeper dive on the technical challenges of uncovering the findings.

DDOS 104

DDOS Architecture DNS Internet 104

McAfee

FEBRUARY 4, 2021

This blog is part of our SOCwise series where we’ll be digging into all things related to SecOps from a practitioner’s point of view, helping us enable defenders to both build context and confidence in what they do. . And they didn’t even give it a DNS look up until almost a year later.

DNS 102

DNS Firewall Technology Accountability 102

Security Affairs

MAY 16, 2023

Please vote for Security Affairs ( [link] ) as the best European Cybersecurity Blogger Awards 2022 – VOTE FOR YOUR WINNERS Vote for me in the sections where is reported Securityaffairs or my name Pierluigi Paganini Please nominate Security Affairs as your favorite blog. ” reads the advisory published by Otorio.

Hacking 98

Hacking Internet Internet Manufacturing 98

SiteLock

AUGUST 27, 2021

A CSRF attack was recently used to seize all control of a Brazilian bank’s DNS settings for over five hours. Use a Web Application Firewall (WAF) – Web application firewalls are the first line of defense against those probing your website for vulnerabilities. Mitigating and Preventing Vulnerabilities.

Firewall 98

Firewall eCommerce Malware DNS 98

Security Boulevard

MAY 17, 2024

HYAS Protect protective DNS includes a user-friendly interface and four core deployment methods. Organizations of any size can monitor traffic with HYAS Protect’s cloud-based DNS resolver. DNS data from HYAS Protect allows organizations to identify their riskiest users and prioritize proactive security measures.

DNS 59

DNS Engineering Phishing Malware 59

CyberSecurity Insiders

JANUARY 6, 2022

This blog was written by an independent guest blogger. HTTPS and DNS), data link (e.g., Ethernet and MAC), the session (WEB sockets), transport (SSL, TCP, and UDP), perimeter (firewalls), and physical layers (securing endpoint devices). Online transactions are essential for every modern business.

Encryption 134

Encryption Identity Theft Authentication Data breaches 134

Security Boulevard

FEBRUARY 7, 2024

Germany-based independent security evaluators AV-TEST found that HYAS Protect Protective DNS is the most effective operational resiliency solution on the market today to drive business continuity and continued operations. While businesses’ entire security stacks do matter, it’s impossible to stop all nefarious activity beforehand.

DNS 69

DNS Architecture Marketing Cyber threats 69

Cisco Security

MAY 17, 2021

I won’t go into all the details here (see this Umbrella blog for more) but we have radically simplified the deployment and management process. 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.

Firewall 81

Firewall Architecture Internet Internet 81

Webroot

FEBRUARY 19, 2021

To sleep at night, MSPs feel they must enhance or expand their security offerings beyond the standard layers, like; firewalls, firewall filtering, active directory protocols, DNS Filtering and antivirus/malware detection. The post Fools Rush in: 5 Things MSPs Should Know Before Adopting EDR appeared first on Webroot Blog.

Insurance 108

Insurance Firewall Cybersecurity DNS 108

CyberSecurity Insiders

APRIL 30, 2021

In this week’s blog post, we’ll take a deeper look at the recent growth in DDoS attacks and the threat they could pose for your organization. Engineers can also measure traffic patterns for a given application via the total number of DNS queries, DNS replies, HTTP requests received, or HTTP connections established on a per-hour basis.

DDOS 144

DDOS Cyber Attacks DNS Threat Detection 144

SecureList

JUNE 15, 2022

I will buy accounts for access to corporate VPNs or firewalls (FortiGate, SonicWall, PulseSecure, etc.) There is access data to 2-3 domains of that network, the total number is 3-4, I don’t know exactly, see the screenshot below for DNS servers! Blackmailer blog: auction price of stolen data. Screenshot translation.

VPN 130

VPN Accountability Ransomware Encryption 130

McAfee

DECEMBER 22, 2021

In this blog, we present an overview of how you can mitigate the risk of this vulnerability exploitation with McAfee Enterprise solutions. As we are writing this blog, on MVISION Insights there are 1,813 IOCs including MD5, SHA256, URL, IP, DOMAIN, HOSTNAME. MCFE Log4Shell Vulnerability Blog: [link].

Malware 98

Malware Risk Internet Internet 98

Lenny Zeltser

MAY 3, 2019

Lock down domain registrar and DNS settings. Place websites behind a reputable cloud or plugin-based web application firewall (WAF). Enable security options according to your provider’s recommendations (e.g., the G Suite security checklist ). Uninstall or disable unnecessary features or plugins.

Cybersecurity 111

Cybersecurity Social Engineering Authentication Software 111

McAfee

AUGUST 23, 2020

In this blog we are going to focus in on remote offices and how the combination of SD-WAN and Next-Generation Secure Web Gateway capabilities offered by MVISION UCE can enable SASE and deliver on the promise of digital transformation. . However, there are major drawbacks to this model. Click here to register.

Architecture 85

Architecture Digital transformation Internet Internet 85

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. IANA manages the DNS root zone and TLDs (Top Level Domains like.com,org,edu, etc.) Domain Age Feature Definition. which reverse resolves to a172-224-15-98.deploy.static.akamaitechnologies.com.

Internet 65

Internet Internet DNS Risk 65

Hacker's King

SEPTEMBER 24, 2024

This technique is often used in penetration testing to bypass firewalls or network restrictions because the outgoing connection is more likely to be allowed by the target machine’s firewall. UDP is connectionless, making it suitable for applications like streaming media or DNS queries.

Penetration Testing 52

Penetration Testing Firewall DNS Hacking 52

Cisco Security

AUGUST 28, 2023

XDR (eXtended Detection and Response) Integrations At Black Hat USA 2023, Cisco Secure was the official Mobile Device Management, DNS (Domain Name Service) and Malware Analysis Provider. For example, an IP tried AndroxGh0st Scanning Traffic against the Registration server, blocked by Palo Alto Networks firewall.

Wireless 94

Wireless DNS Mobile Technology 94