Krebs on Security

FEBRUARY 4, 2019

Godaddy.com , the world’s largest domain name registrar, recently addressed an authentication weakness that cybercriminals were using to blast out spam through legitimate, dormant domains. The domains documented by MyOnlineSecurity all had their DNS records altered between Jan. 31 and Feb. 22 report on the GoDaddy weakness.

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DNS Ransomware Accountability Internet 268

Cisco Security

MARCH 16, 2021

In fact, 63% of threats detected by Cisco Stealthwatch in 2019 were in encrypted traffic. The European Union is concerned enough that it drafted a resolution in November 2020 to ban end-to-end encryption, prompting outcry from privacy advocates. Keeping your destination private: DNS over HTTPS.

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Encryption DNS Threat Detection Internet 102

Schneier on Security

MAY 1, 2018

QuickDDNS is a Dynamic DNS service provider operated by Dahua. Their first two findings are that "Many IoT devices lack basic encryption and authentication" and that "User behavior can be inferred from encrypted IoT device traffic." Amcrest WiFi Security Camera. No surprises there. Boingboing post.

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IoT Manufacturing Encryption DNS 195

Krebs on Security

AUGUST 23, 2024

The proliferation of new top-level domains (TLDs) has exacerbated a well-known security weakness: Many organizations set up their internal Microsoft authentication systems years ago using domain names in TLDs that didn’t exist at the time. Caturegli said many organizations no doubt viewed a domain ending in.ad He then learned the.ad

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The Last Watchdog

JUNE 1, 2021

The Pharming attacks are carried out by modifying the settings on the victim’s system or compromising the DNS server. Manipulating the Domain Name Service (DNS) protocol and rerouting the victim from its intended web address to the fake web address can be done in the following two ways: •Changing the Local Host file.

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DNS Phishing Social Engineering Cyber Attacks 214

Cisco Security

MARCH 27, 2021

Shrink the DNS attack surface with Auth-DoH. In this analogy, the invisibility superpower is DNS over HTTPS (DoH). It’s a new protocol that encrypts the DNS request to keep bad actors from discovering or altering domain names or snooping on users’ internet destinations. My inspiration: Loki , the Marvel superhero.)

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DNS VPN Advertising Encryption 141

Malwarebytes

JULY 4, 2022

DNS encryption. DNS encryption plugs a gap that makes it easy to track the websites you visit. The domain name system (DNS) is a distributed address book that lists domain names and their corresponding IP addresses. Passwordless authentication. It’s ascendancy seems assured.

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Internet Internet Technology DNS 123

Security Affairs

FEBRUARY 12, 2024

Public Wi-Fi users are prime targets for MITM attacks because the information they send is often not encrypted, meaning it’s easy for hackers to access your data. Look for the “https” in the website’s URL—it means there’s some level of encryption. Most browsers will alert you if a site isn’t secure.

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DNS VPN Encryption Passwords 143

eSecurity Planet

MAY 24, 2023

The DomainKeys Identified Mail (DKIM) email authentication standard enables email servers to check incoming emails to verify the sender and detect email message alterations. At a high level, DKIM enables an organization to provide encryption hash values for key parts of an email. The “p” field is the public encryption key value.

Technology 103

Technology DNS Encryption Authentication 103

Security Affairs

APRIL 7, 2024

The flaw affects multiple D-Link NAS devices, including models DNS-340L, DNS-320L, DNS-327L, and DNS-325. This trick allows attackers to obtain bypass authentication. The flaw impacts the following devices: DNS-320L Version 1.11, Version 1.03.0904.2013, Version 1.01.0702.2013 DNS-325 Version 1.01

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Internet Internet DNS Hacking 110

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. It increases the discoverability of customer devices by attackers.

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DNS Manufacturing Firewall Internet 136

CyberSecurity Insiders

FEBRUARY 16, 2023

So, to avoid such troubles from file encrypting malware, the following are the steps to follow to protect backups from being corrupted with encryption- Update- It is a known fact that back-up systems are the first to receive OS updates and so admins should subscribe to automatic updates for backup software.

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Backups Ransomware DNS Encryption 116

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

Security Affairs

DECEMBER 24, 2018

The communications are not encrypted, however the WiFi password is sent encrypted during set up (albeit trivial to decrypt).” “As the communications are not encrypted, it is simple to Man-in-the-Middle the traffic and analyse the API.” ” reads the analysis published by MWR InfoSecurity.

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IoT Hacking DNS Authentication 107

eSecurity Planet

SEPTEMBER 2, 2021

Domain-based Message Authentication, Reporting, and Conformance ( DMARC ) began gaining traction a few years ago as a way to validate the authenticity of emails. These malicious encryption attacks that take your data hostage are the most financially harmful attacks for companies. How DMARC Works to Stop Ransomware.

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Ransomware DNS Small Business Authentication 129

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. This allows the receiver’s mailbox to verify that the email was sent by authenticated user/owner of the domain.

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DNS Authentication Internet Internet 107

Malwarebytes

OCTOBER 5, 2021

According to Cloudflare—which has published an excellent explanation of what it saw—Facebook’s trouble started when its Autonomous System issued a BGP update withdrawing routes to its own DNS servers. Without DNS servers, the address facebook.com stopped working. And then there’s the influencers.

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DNS Internet Internet Mobile 145

Google Security

MARCH 28, 2024

Tianhao Chi and Puneet Sood, Google Public DNS The Domain Name System (DNS) is a fundamental protocol used on the Internet to translate human-readable domain names (e.g., When a user enters a domain name in their browser, the DNS resolver (e.g. Google Public DNS). www.example.com) into numeric IP addresses (e.g.,

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DNS Internet Internet Encryption 81

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

APRIL 23, 2019

Security expert Marco Ramilli published the findings of a quick analysis of the webmask project standing behind the DNS attacks implemented by APT34 (aka OilRig and HelixKitten ). According to Duo, “ OilRig delivered Trojans that use DNS tunneling for command and control in attacks since at least May 2016. Leaked Source code.

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DNS Computers and Electronics Penetration Testing Government 108

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. Two-factor authentication . Cloud storage solutions are scalable and have the highest standards of data security and encryption protocols. Firewalls .

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Small Business Cyber Attacks VPN Backups 145

eSecurity Planet

MAY 23, 2023

The Sender Policy Framework (SPF) authentication method identifies the authorized mail servers permitted to send email on behalf of a given domain. SPF enables a form of email authentication that defines the domains and internet protocol (IP) addresses authorized by an organization to send emails.

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DNS Phishing Authentication Internet 98

Cisco Security

JULY 22, 2021

At a basic level, it’s a form of malware where attackers steal, encrypt, and hold ransom an organization’s business-critical data unless the organization pays a sum of money to restore access to and decrypt their data. Web security: Most ransomware attacks use DNS. But first, what is ransomware?

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Ransomware DNS Authentication Cybercrime 145

eSecurity Planet

DECEMBER 23, 2020

As a result, companies are relying on virtual private networks (VPNs) , which establish encrypted connections to enterprise applications over the public internet, to connect their workforce. VPNs are intrinsically designed to be encrypted tunnels that protect traffic, making them a secure choice for enabling remote work.

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VPN DNS Authentication Mobile 105

eSecurity Planet

MARCH 25, 2022

RDP intrusions are typically the result of two attacker methods: brute force authentication attempts or a meddler-in-the-middle (MITM) attack. Remote desktop software’s sensitive influence over other devices means identity and access management (IAM), password security , and multi-factor authentication are critical for risk management.

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VPN Software Authentication Encryption 121

Security Affairs

JUNE 20, 2022

Security Affairs is one of the finalists for the best European Cybersecurity Blogger Awards 2022 – VOTE FOR YOUR WINNERS.

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Spyware DNS Surveillance Ransomware 106

Troy Hunt

NOVEMBER 25, 2020

For some reason, the Shelly on my garage door is making a DNS request for api.shelly.cloud once every second! The vulnerability is the result of weak encryption used by TP-Link. The growth has been driven by the free and easy availability of certificates, largely due to the emergence of Let's Encrypt in 2016.

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IoT Firmware Risk Encryption 359

eSecurity Planet

FEBRUARY 4, 2022

Scheduled scans Encryption Identity theft protection. It even provides more privacy than secured WiFi connections because it encrypts the connection to protect private information and prevent session hijacking. DNS leak protection Kill switch No log policy. Also Read: Mobile Malware: Threats and Solutions. Key Features of a VPN.

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Internet Internet Software Antivirus 144

Security Boulevard

APRIL 13, 2022

I’d also like to thank Duane Michael ( @subat0mik ) and Evan McBroom ( @mcbroom_evan ) for researching Network Access Account (NAA) policy encryption and decryption with me (coming soon), as well as Elad Shamir ( @elad_shamir ) and Nick Powers ( @zyn3rgy ) for helping me identify the attacks that are possible using the relayed credentials.

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Authentication Accountability Penetration Testing Software 52

Malwarebytes

FEBRUARY 9, 2021

The new botnet, which is called Matryosh, is named after the Russian nesting dolls because the encryption algorithm it uses, and the process of obtaining command and control (C2) are nested in layers. Matryosh is special in that it uses the encrypted Tor network to mask its malicious traffic. How does Matryosh work?

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DDOS Internet Internet DNS 110

SecureList

JUNE 5, 2023

It is known to use the technique of querying DNS servers to obtain the base64-encoded URL in order to receive the next stage of another malware family currently distributed by Satacom. The encrypted data is stored inside the malicious payload. To do so, it performs a DNS request to don-dns[.]com com don-dns[.]com

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Cryptocurrency DNS Malware Encryption 112

Security Affairs

JULY 27, 2020

According to our estimate, CoAP can reach up to 32 times (32x) amplification factor, which is roughly between the amplification power of DNS and SSDP.”. “On a test network with CoAP clients and servers, we launched an amplification attack with increasing payload size and estimated the maximum bandwidth amplification factor (BAF).

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DDOS IoT Internet Internet 142

eSecurity Planet

JUNE 8, 2023

Email Authentication Protocols: SPF, DKIM, DMARC The three mutually-reinforcing email authentication protocols, Sender Policy Framework (SPF), DomainKeys Identified Mail (DKIM), and Domain-based Message Authentication Reporting and Conformance (DMARC) verify the authenticity of emails.

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Firewall DNS Authentication Malware 80

Malwarebytes

MAY 12, 2021

The frame aggregation feature of Wi-Fi uses an “is aggregated” flag that is not authenticated and can be modified by an adversary. 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.

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Encryption Firewall Authentication DNS 109

SecureList

OCTOBER 25, 2023

It comes equipped with a built-in TOR network tunnel for communication with command servers, along with update and delivery functionality through trusted services such as GitLab, GitHub, and Bitbucket, all using custom encrypted archives. The malware executable file is placed in /tmp directory with a random name.

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Malware DNS Encryption Cryptocurrency 141

eSecurity Planet

MAY 19, 2022

Built-in edge security, including encryption , URL filtering, and malware protection Cloud-agnostic branch connectivity, SaaS optimization, and IaaS integrations Application aware enterprise NGFW, Snort IPS, and malware sandboxing Microsegmentation and identity-based policy management Self-healing firmware to prevent exploitation of vulnerabilities.

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Firewall Architecture Encryption Network Security 121

Malwarebytes

SEPTEMBER 14, 2022

DNS filtering. The next technology you need to prevent cyberattacks is a DNS filter. But first, a little bit about what DNS (domain name system) is. Every time a customer types in your web address, their computer makes a request to a DNS server. The DNS server, in turn, tells the computer where to go.

Technology 76

Technology DNS Cyber Insurance Insurance 76