CyberSecurity Insiders

MARCH 13, 2021

This activity was shortly followed by escalating activity involving brute force activity, remote code execution attempts, and exfiltration channel probing attempts all exploiting vulnerable DNS services on the domain controllers. The post Stories from the SOC – DNS recon + exfiltration appeared first on Cybersecurity Insiders.

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DNS Threat Detection Cybersecurity Cyber threats 54

Penetration Testing

DECEMBER 24, 2023

In the ever-evolving landscape of cyber threats, a new attack technique named SMTP Smuggling has emerged, threatening the integrity of email communication worldwide.

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Penetration Testing DNS Cyber threats 53

Security Boulevard

MARCH 6, 2024

Traditionally, cybersecurity has been a reactive game: We respond to cyber threats as they arise, analyze the incidents, add pertinent information to “deny lists”, and update stakeholders on “what happened.” That's where technologies like protective DNS come in. It may sound difficult, but change always sounds hard at first.

DNS 86

DNS Phishing Data breaches Cyber threats 86

Approachable Cyber Threats

FEBRUARY 1, 2024

Have a valid forward and reverse DNS record for sending IPs ❯ Additionally, for bulk senders: ○ Implement both SPF and DKIM ○ Publish a valid DMARC policy ○ Support one-click unsubscribe and honor user requests within two (2) days “What does this mean for me?” To get started: ❯ Have a DMARC Policy for your DNS. Don’t send spam.

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DNS Authentication Accountability Cybersecurity 106

Krebs on Security

OCTOBER 11, 2022

. “Despite its relatively low score in comparison to other vulnerabilities patched today, this one should be at the top of everyone’s list to quickly patch,” said Kevin Breen , director of cyber threat research at Immersive Labs.

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Security Boulevard

JUNE 22, 2023

Securing SMB Success: The Indispensable Role of Protective DNS Cyber attacks pose as much risk to small and medium-sized businesses (SMBs) as they do to large organizations — if not more. Implementing a Domain Name Service (DNS) security solution is the most efficient way to protect your business against a wide variety of attacks.

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DNS Small Business Cyber Attacks Antivirus 57

CyberSecurity Insiders

MAY 18, 2022

You know things are dire when the President of the United States uses his bully pulpit to warn American organizations they are likely to be the target of increased cyber threat activity and therefore have a responsibility to protect their infrastructure. So why aren’t more organizations taking advantage of protective DNS?

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DNS Cybersecurity CISO Social Engineering 140

SC Magazine

MAY 26, 2021

This latest version of Chrome supports DoH, or DNS-over-HTTPS, said Sean Nikkel, senior cyber threat intel analyst at Digital Shadows. Nikkel said the DoH feature was previously only available in other browsers and operating systems and offers a much more secure method for making DNS requests.

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DNS Cyber threats Media Internet 125

Krebs on Security

APRIL 13, 2022

.” “These could be the kind of vulnerabilities which appeal to ransomware operators as they provide the potential to expose critical data,” said Kevin Breen , director of cyber threat research at Immersive Labs.

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DNS Internet Internet Firewall 251

Approachable Cyber Threats

FEBRUARY 1, 2024

Have a valid forward and reverse DNS record for sending IPs Additionally, for bulk senders: Implement both SPF and DKIM Publish a valid DMARC policy Support one-click unsubscribe and honor user requests within two (2) days “What does this mean for me?” to avoid ever reaching a spam rate of 0.3% Yahoo will start enforcing a 0.3%

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DNS Authentication Accountability Cybersecurity 52

Security Boulevard

APRIL 18, 2024

The timing of this collaboration is particularly significant, given the escalating cyber threats facing organizations across the region. With cyber attacks becoming increasingly sophisticated and frequent, there is an urgent need for proactive defense mechanisms that adapt to evolving threats in real-time.

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Digital transformation Architecture Cyber threats DNS 62

Security Boulevard

MAY 6, 2021

Since this hybrid and remote way of working looks like it’s here to stay, businesses must ensure they have the right infrastructure in place to combat any cyber threats. This includes a layered combination of DNS networking, secure endpoint connections, and an educated and empowered human workforce.

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Cybersecurity DNS Education Security Awareness 140

eSecurity Planet

JANUARY 6, 2021

Stack components impacted include DNS, IPv6, IPv4, TCP, ICMP, LLMNR, and mDNS. Forescout found DNS to be the most vulnerable due to its complexity, with TCP and IPv4 and IPv6 sub-stacks not far behind. DNS Cache Poisoning: 2. AMNESIA:33 leaves devices and networks open to four potential memory corruption threats.

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IoT DNS Internet Internet 139

SC Magazine

MAY 3, 2021

Hundreds of millions of protected endpoints and users, billions of DNS requests, and millions of authentications mean Cisco sees more threats and vulnerabilities than most anyone else. This creates a competitive advantage through stopping more bad actors getting onto the network in the first place.

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DNS Cyber threats Media Marketing 145

CyberSecurity Insiders

APRIL 12, 2023

SPF: also known as Sender Policy Framework, is a DNS record used for authentication mechanism in email addresses. SPF is a txt record configured in DNS records. For configuring DMARC to DNS records, SPF and DKIM configuration is mandatory. Metadata: Metadata is kind of data which provides information about the other data.

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DNS Authentication Internet Internet 107

Security Boulevard

JANUARY 26, 2022

Note: This OSINT analysis has been originally published at my current employer's Web site - [link] where I'm currently acting as a DNS Threat Researcher since January, 2021. Sample personal emails known to have been currently in use by the "Jabber ZeuS" also known as "Aqua ZeuS" gang: donsft@hotmail[.]com. johnny@guru[.]bearin[.]donetsk[.]ua.

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DNS Cyber threats Cyber Attacks Cybercrime 98

The Last Watchdog

DECEMBER 13, 2020

Gartner refers to this as the Secure Access Service Edge (SASE), which is a framework combining the functionality of Wide Area Network (WAN) with network security services to shield against any cyber threats or cloud-enabled SaaS. The cyber threats landscape. SASE is a sophisticated response to a complex, dynamic threat.

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Approachable Cyber Threats

OCTOBER 28, 2020

This means that while you will create a new DNS record, similar to SPF, you will also have to generate “keys” for your DKIM process to work correctly. BIG NOTE: A major part of DKIM is that the “private key” will need to be placed on your email server, while the “public key” will go in your DNS record.

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DNS Marketing Risk Encryption 94

Approachable Cyber Threats

OCTOBER 27, 2020

Luckily you can start to make a difference right now by implementing some changes to your DNS records. So for example, if you registered your website “www.mycompany.com” with GoDaddy, you would edit your DNS record on GoDaddy. Now that you have your list, head to your DNS provider and add a new entry. www.hivesystems.io).

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DNS Marketing Risk Internet 98

CyberSecurity Insiders

JUNE 29, 2023

Executive summary Credential harvesting is a technique that hackers use to gain unauthorized access to legitimate credentials using a variety of strategies, tactics, and techniques such as phishing and DNS poisoning. According to recent research , phishing assaults targeted credential harvesting in 71.5% of cases in 2020.

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Phishing Authentication Cyber threats DNS 85

Security Affairs

FEBRUARY 18, 2024

Datacenter Proxies: Choosing the Right Option CISA adds Roundcube Webmail Persistent XSS bug to its Known Exploited Vulnerabilities catalog Canada Gov plans to ban the Flipper Zero to curb car thefts ExpressVPN leaked DNS requests due to a bug in the split tunneling feature 9 Possible Ways Hackers Can Use Public Wi-Fi to Steal Your Sensitive Data US (..)

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Cybercrime Ransomware Malware Data breaches 98

Malwarebytes

NOVEMBER 8, 2023

In a world rife with cyber threats, it is crucial for Managed Service Providers (MSPs) to conduct thorough assessments of their clients’ security posture. Paid add-on modules such as DNS Filtering and Vulnerability & Patch Management will only impact the Site Health Score if the site is licensed for these products.

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DNS Cyber threats Risk 71

Security Affairs

DECEMBER 22, 2021

Supports DNS callback for vulnerability discovery and validation. Government experts warn of sophisticated cyber threat actors which are actively scanning networks to potentially exploit the above flaws in vulnerable systems. Fuzzing for more than 60 HTTP request headers (not only 3-4 headers as previously seen tools).

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DNS Firewall Cybersecurity Cyber threats 115

Security Boulevard

OCTOBER 2, 2023

Phishing Threats Are Increasing in Scale and Sophistication Phishing remains one of the most dangerous and widespread cybersecurity threats. Source: IBM Security: Cost of a Data Breach Report 2023) According to recent research, the number of phishing attacks vastly outpaces all other cyber threats. billion USD globally.

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DNS Phishing Social Engineering Engineering 62

eSecurity Planet

SEPTEMBER 17, 2021

Cobalt Strike Beacon Linux enables emulation of advanced attacks to a network over HTTP, HTTPS, or DNS. It’s a DNS-based communication that helps circumvent classic defense mechanisms that focus on HTTP traffic. A New Variant of Cobalt Strike. It provides a console where you can open a beacon session and enter specific commands.

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DNS Malware Software Security Awareness 101

SecureList

DECEMBER 2, 2022

What is cyber threat intelligence, and how do we use it in GReAT? This is what we call cyber threat intelligence. It also requires a large and representative set of knowledge about cyberattacks, threat actors and associated tools over an extended timeframe. But why are we offering cyber threat intelligence at all?

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Cyber threats DNS Technology Engineering 103

Security Affairs

MARCH 5, 2019

Google Chronicle launched Backstory, the first global security telemetry platform designed to allow companies monitoring cyber threats. Google Chronicle announced Backstory, a cloud-based enterprise-level threat analytics platform that allows companies quickly investigate incidents, discover vulnerabilities and hunt for cyber threats.

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DNS Cyber threats Advertising Data collection 82

Webroot

NOVEMBER 7, 2022

Meanwhile, the global rise in sophisticated ransomware threats and geo-political tensions are escalating cyber threats. Ongoing education and awareness of new attack vectors and defense against common channels such as email are critical for achieving a cyber resilience posture. To learn more, go to: [link].

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Ransomware Security Awareness DNS Phishing 83

Security Affairs

DECEMBER 24, 2019

. “The purpose of the task is to ensure the reliable operation of the Internet in Russia in any conditions and under any circumstances,” said Aleksei Sokolov, deputy communications minister, in televised remarks on December 23 from the Monitoring and Cyber Threat Response Center.”

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Internet Internet DNS Surveillance 82

Approachable Cyber Threats

OCTOBER 29, 2020

So once we’re done here, your DNS records will show the following: One SPF record - containing all your SPF sender information in it One or more DKIM records - one entry for each email company that supports DKIM One DMARC record - containing your “policy” for what to do with the results from the two previous check.

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DNS Risk Marketing Authentication 90

SecureWorld News

MARCH 29, 2024

Judging a cyber threat by its name can be illusory. A DNS firewall and a classic antivirus are somewhat underused yet effective security tools that will come in handy. As a result, those who are unfamiliar might get the impression that it's no big deal, but this is a far cry from being the case.

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Cybercrime Advertising Engineering Antivirus 79

CyberSecurity Insiders

APRIL 12, 2023

targeting the DNS, and the remaining 3.7% Highly destructive HTTP attacks are becoming more accessible, resulting in 82.3% of DDoS attacks targeting the application layer (L7), 11.7% targeting the transport (L4) and network (L3) layers with packet floods, 2.3% aimed at other objectives. Geographically, the United States (17.6%

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Webroot

MAY 25, 2021

Yet, faced with modern cyber threats, that seems like a pretty impossible goal, particularly as many attacks are designed to operate under the radar, evading detection for weeks or months at a time.

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Phishing DNS Backups Cyber threats 143

Security Affairs

AUGUST 26, 2018

Let me inform you that my new book, “Digging in the Deep Web” is online with a special deal. 20% discount. Kindle Edition. Paper Copy. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

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Spyware Banking DNS Retail 42

CyberSecurity Insiders

JANUARY 25, 2022

CSC is the trusted provider of choice for the Forbes Global 2000 and the 100 Best Global Brands ® in enterprise domain names, domain name system (DNS), digital certificate management, as well as digital brand and fraud protection. To access the full report and additional details, visit our website.

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Artificial Intelligence Phishing Technology DNS 52

Vipre

JANUARY 25, 2021

Thus, an antivirus is the most important security tool that everyone must have to protect themselves from viruses, malware, trojans, and similar cyber threats. DNS ad blockers are a new breed of ad blockers that use DNS to effectively block ads.

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Identity Theft Backups VPN Antivirus 40

CyberSecurity Insiders

DECEMBER 21, 2022

Most of these third-party connections come via domain name system (DNS) canonical name (CNAME) records or application programming interface (API) calls. It can grow unwieldy as more assets that you didn’t build in-house get added.

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Internet Internet Risk DNS 131