Duo's Security Blog

DECEMBER 21, 2021

The Remote Desktop Protocol (RDP) feature for the Duo Network Gateway prompts users to authenticate only when necessary, instead of first having them try and fail, forcing them to try again after logging into the company’s virtual private network (VPN). Otherwise, the DNG stays out of the way.

VPN 103

VPN Authentication DNS Architecture 103

Krebs on Security

FEBRUARY 26, 2023

The hackers were able to change the Domain Name System (DNS) records for the transaction brokering site escrow.com so that it pointed to an address in Malaysia that was host to just a few other domains, including the then brand-new phishing domain servicenow-godaddy[.]com. The key works without the need for any special software drivers.

Hacking 324

Hacking Social Engineering Phishing Scams 324

Security Affairs

FEBRUARY 12, 2024

Avoid entering any data if you see a warning message about a site’s authenticity. Also, consider using a Virtual Private Network (VPN) to encrypt your data and make it unreadable to hackers. Invest in a VPN to encrypt your data and ensure websites you use have SSL/TSL certificates (look for “https” in the URL).

DNS 143

DNS VPN Encryption Passwords 143

Security Affairs

MAY 1, 2024

A new malware named Cuttlefish targets enterprise-grade and small office/home office (SOHO) routers to harvest public cloud authentication data. The malware creates a proxy or VPN tunnel on the compromised router to exfiltrate data, and then uses stolen credentials to access targeted resources. ” concludes the report.

Malware 130

Malware DNS Authentication Telecommunications 130

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.

DNS 136

DNS Manufacturing Firewall Internet 136

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 . Use a VPN to protect your online security and privacy. Protecting your data is very simple. Anti-virus and anti-malware .

Small Business 145

Small Business Cyber Attacks VPN Backups 145

eSecurity Planet

AUGUST 20, 2024

A virtual private network (VPN) is a must for any internet user connecting to business systems. Use this guide to learn how to get a VPN provider, set it up, and connect your devices for a more secure and safe connection. Use Like most software, VPN clients are system-specific — Apple versus Windows, iOS versus Android.

VPN 58

VPN Internet Internet Encryption 58

eSecurity Planet

MARCH 21, 2022

Using misconfigured multi-factor authentication (MFA) and an unpatched Windows vulnerability, Russian state-sponsored hackers were able to breach a non-governmental organization (NGO) and escalate privileges, the Cybersecurity and Infrastructure Security Agency (CISA) and the FBI revealed last week. Network Best Practices.

VPN 118

VPN Accountability Authentication Passwords 118

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.

VPN 121

VPN Software Authentication Encryption 121

Security Affairs

AUGUST 30, 2021

During an attack of this nature, it is difficult to find clear patterns without fast data and log processing and ad-hoc tools but our DNS servers were clearly recording these spikes of DNS updates every time the botnet was renewing IP addresses. Expert documentation from Luminati explaining the “resolve DNS at super proxy” feature.

DDOS 124

DDOS DNS Mobile Authentication 124

eSecurity Planet

FEBRUARY 4, 2022

Virtual Private Networks (VPNs). A virtual private network (VPN) takes a public internet connection (i.e. VPNs can hide browsing history, your location, your IP address, the type of device you’re using, and web activity. Key Features of a VPN. DNS leak protection Kill switch No log policy. Best VPNs for Consumers.

Internet 144

Internet Internet Software Antivirus 144

SecureList

APRIL 22, 2024

A connection like this created on domain controllers allows attackers to obtain the IP addresses of hosts on the internal network through DNS queries. Diagram of SSH tunnel creation SoftEther VPN The next tool that the attackers used for tunneling was the server utility (VPN Server) from the SoftEther VPN package.

VPN 142

VPN Passwords Encryption Malware 142

Security Affairs

AUGUST 19, 2019

The emails are designed in a way that it appears to be authentic or belonging from a real business or authoritative source. These emails appear to be coming from some authentic source like from your bank or some legit business organization. You can further secure your connection by using a VPN. Use Two Factor Authentication.

Phishing 111

Phishing Accountability Authentication Passwords 111

McAfee

DECEMBER 1, 2021

CVE-2021-20322: Of all the words of mice and men, the saddest are, “it was DNS again.” PAN GlobalProtect VPN: CVE-2021-3064 . Palo Alto Networks (PAN) firewalls that use its GlobalProtect Portal VPN running PAN-OS versions older than 8.1.17 Your Cybersecurity Comic Relief . Why am I here? . What is it? .

DNS 90

DNS Firewall VPN Internet 90

eSecurity Planet

JANUARY 14, 2022

The combination of Prolexic, Edge DNS, and App & API Protector would be recommended for the highest quality of DDoS mitigation to keep applications, data centers, and internet-facing infrastructure (public or private) protected. It is architected for nonstop DNS availability and high performance, even across the largest DDoS attacks.

DDOS 128

DDOS DNS Firewall Media 128

Security Affairs

JULY 21, 2023

The company added that successful exploitation requires that the appliance is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server. Then threat actors sent data as an image file to a web-accessible path: cp /var/tmp/test.tar.gz /netscaler/ns_gui/vpn/medialogininit.png.

VPN 98

VPN Cyber Attacks DNS Software 98

SecureList

JUNE 15, 2022

Request for access to corporate VPN. I sell VPN accounts of USA companies, revenue is 1kkk$. Access type: VPN. Access type: VPN. Sale] VPN-RDP accounts for network access. Access type: VPN-RDP. Access type: VPN-RDP. Access type: VPN-RDP. Access type: VPN-RDP. Countries: US, CA, AU, GB.

VPN 129

VPN Accountability Ransomware Encryption 129

eSecurity Planet

NOVEMBER 3, 2022

Another common problem is the discovery of weak authentication schemes such as Transport Layer Security (TLS) versions 1.0 DNS servers can be specifically targeted by attackers and vulnerable to various types of attacks. If the organization does not use it, UDP access to port 53 (DNS) should be blocked. that may remain enabled.

DDOS 126

DDOS Firewall DNS Architecture 126

eSecurity Planet

MAY 28, 2021

The truth is that solutions like single sign-on (SSO) and multi-factor authentication (MFA) can spell disaster if initial access is all a malicious actor needs to traverse the network’s resources. Whether it’s a VPN , firewall , or remote access server, unauthorized entry via network gateways is a problem.

Software 120

Software DNS Firmware VPN 120

eSecurity Planet

SEPTEMBER 25, 2023

The lowest tier of Cloudflare One provides support for 50 users maximum, 24 hours of activity logging, and up to three network locations for office-based DNS filtering. Upgrading to the pay-as-you-go tier eliminates any user maximum and provides 30 days of activity logging and 20 office-based DNS filtering network locations.

DNS 98

DNS DDOS IoT Firewall 98

eSecurity Planet

MAY 19, 2022

With Aruba, clients can also bundle SD-WAN coverage with the company’s security solutions for virtual private network ( VPN ), network access control ( NAC ), and unified threat management ( UTM ). EdgeConnect Enterprise critically comes with firewall , segmentation , and application control capabilities. Open Systems.

Firewall 121

Firewall Architecture Encryption Network Security 121

eSecurity Planet

MAY 2, 2024

Multi-factor authentication : Protects stolen credentials against use by requiring more than a simple username and password combination for access to resources. Passwordless authentication : Eliminates passwords in favor of other types of authentication such as passkeys, SSO, biometrics, or email access.

Cybersecurity 122

Cybersecurity DDOS Penetration Testing Passwords 122

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.

Firewall 80

Firewall DNS Authentication Malware 80

eSecurity Planet

APRIL 26, 2024

Server: Provides powerful computing and storage in local, cloud, and data center networks to run services (Active Directory, DNS, email, databases, apps). Access Control Access controls add additional authentication and authorization controls to verify users, systems, and applications to define their access.

Architecture 121

Architecture Network Security Firewall Risk 121

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. Other implementation flaws are assigned the following CVEs: CVE-2020-26139 : NetBSD forwarding EAPOL frames even though the sender is not yet authenticated. CVE-2020-26147 : Linux kernel 5.8.9

Encryption 109

Encryption Firewall Authentication DNS 109

eSecurity Planet

FEBRUARY 23, 2024

ALG supports client requests by resolving its domain name via DNS and delivering the frontend IP address to the client. Example of Azure gateway’s authentication information upon combining app proxy and app gateway 4. It often involves requests for files, web pages, or other internet services.

Firewall 105

Firewall VPN Network Security Architecture 105

Troy Hunt

JANUARY 10, 2018

Blocking legitimate users is part of that problem, blocking users wanting to protect their traffic with a VPN is another: This has been there for the past year now. They also blacklist vpn IP addresses. But getting onto the title of this section, the page in question is the E-Aadhaar authentication page (also geo-blocked).

Hacking 279

Hacking Government Encryption Risk 279

eSecurity Planet

MARCH 14, 2023

In this simple environment network security followed a simple protocol: Authenticate the user : using a computer login (username + password) Check the user’s permissions: using Active Directory or a similar Lightweight Directory Access Protocol (LDAP) Enable communication with authorized network resources (servers, printers, etc.)

Network Security 98

Network Security Firewall Penetration Testing Encryption 98

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. SCA detected 289 alerts including Suspected Port Abuse, Internal Port Scanner, New Unusual DNS Resolver,and Protocol Violation (Geographic).

Wireless 98

Wireless DNS Mobile Technology 98

eSecurity Planet

MARCH 16, 2023

DNS attacks : DNS cache poisoning, or hijacking, redirects a legitimate site’s DNS address and takes users to a malicious site when they attempt to navigate to that webpage. And network users don’t just need to be authorized — they need to be authenticated, too.

Network Security 110

Network Security Firewall Internet Internet 110

eSecurity Planet

MARCH 22, 2023

Virtual Private Network (VPN) : For remote access, remote desktop protocol (RDP) no longer can be considered safe. Instead, organizations should use a virtual private network (VPN) solution. For improved security using mobile phones, free authentication apps are available from Google, Microsoft, and others.

Firewall 110

Firewall Network Security Penetration Testing Encryption 110

Fox IT

JANUARY 12, 2021

After obtaining a valid account, they use this account to access the victim’s VPN, Citrix or another remote service that allows access to the network of the victim. The threat used valid accounts against remote services: Cloud-based applications utilizing federated authentication protocols. Account discovery (T1087).

VPN 68

VPN Accountability Passwords DNS 68

SecureList

SEPTEMBER 21, 2023

Its capabilities include smart brute-forcing by analyzing the initial request for authentication data it receives from a Telnet service. DNS changer Malicious actors may use IoT devices to target users who connect to them. On such a device, the configuration would be altered to make it use the operators’ DNS server.

IoT 131

IoT DDOS Passwords Malware 131

Hacker's King

SEPTEMBER 2, 2024

DNS Twist is a powerful tool that helps organizations alleviate this problem through analyzing domain names differences. DNS Twist is specialized in generating a comprehensive list of domain names that closely resemble to the given domain. Furthermore, DNS Twist includes fuzzy hashing techniques to estimate webpage similarity.

Penetration Testing 52

Penetration Testing DNS Phishing Engineering 52

SecureWorld News

APRIL 30, 2023

DCAP also covers your network: proxy servers, VPN and DNS, cloud solutions like Microsoft 365 and G Suite, as well as various third-party applications. Modern DCAP systems protect any sources of information: file and mail servers, workstations, corporate portals, shared resources, etc. What attacks can DCAP systems prevent?

Technology 97

Technology Unstructured Data Data breaches Information Security 97

Cisco Security

JUNE 15, 2021

Some of those early NGFW implementations took shortcuts to improve performance by simply treating all UDP/53 traffic as DNS and TCP/23 as Telnet, but eventually everyone invested in good enough DPI to get beyond those obvious pitfalls.

Firewall 137

Firewall Software Network Security Encryption 137

SecureList

JULY 9, 2024

The result is an unranked list of integrated data sources that can be used for developing detection logic, such as: For Command Execution: OS logs, EDR, networked device administration logs and so on; For Process Creation: OS logs, EDR; For Network Traffic Content: WAF, proxy, DNS, VPN and so on; For File Modification: DLP, EDR, OS logs and so on.

Engineering 115

Engineering DNS Technology Accountability 115