Duo's Security Blog

MAY 23, 2024

When reading the title of this blog, you might be wondering to yourself why RADIUS is being highlighted as a subject — especially amidst all of the advancements of modern authentication we see taking place recently. It is commonly used for network access into VPNs, wireless access points, and other devices (more on this later).

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Security Affairs

AUGUST 22, 2023

The Akira ransomware gang targets Cisco VPN products to gain initial access to corporate networks and steal their data. The group now is targeting Cisco VPN products to gain initial access to corporate networks. Sophos researchers observed in May the threat actor using compromised Cisco VPN accounts to breach target networks.

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eSecurity Planet

AUGUST 20, 2024

A virtual private network (VPN) is a must for any internet user connecting to business systems. It provides a secure tunnel protecting user identity, encrypts data in transit, and extends the identity and security of the home network to remote users. Gamers and streamers will put a premium on speed.

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Adam Levin

MARCH 19, 2020

It Can Add Another Factor of Authentication: Multi-factor authentication isn’t perfect, but it does help add an extra layer of security to your network. You Can Restrict Access To Company Data: Restricting access to a VPN to current employees means it’s easier to spot a usage anomaly. The post Remote Workforce?

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eSecurity Planet

NOVEMBER 4, 2021

We use passwords to authenticate our users, run antivirus to keep malware off our endpoints , monitor our networks, and implement firewalls so we can have multiple defenses against attackers. In its default configurations, older versions of RDP do not use encryption to pass through credentials and session keys.

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eSecurity Planet

DECEMBER 7, 2023

Encryption uses mathematical algorithms to transform and encode data so that only authorized parties can access it. What Encryption Is and How It Relates to Cryptology The science of cryptography studies codes, how to create them, and how to solve them. How Does Encryption Process Data? How Does Encryption Process Data?

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eSecurity Planet

MAY 25, 2022

Encryption and the development of cryptography have been a cornerstone of IT security for decades and remain critical for data protection against evolving threats. While cryptology is thousands of years old, modern cryptography took off in the 1970s with the help of the Diffie-Hellman-Merkle and RSA encryption algorithms.

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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. These VPN endpoints are typically set up to support 5 to 10 percent of a company’s workforce at any given time. Enhance VPN Security.

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Security Affairs

JULY 29, 2022

Therefore, strong authentication methods are needed. Therefore, strong authentication methods are needed to improve security without hindering user convenience. What is Strong Authentication? The IAM Security Boundary Strong authentication is a critical component of modern-day identity and access management.

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Approachable Cyber Threats

SEPTEMBER 30, 2021

You can’t access that app someone mentioned, so you ask them and they tell you to “just use the VPN.” And why can you access the app after using the VPN, but you couldn’t before? A Virtual Private Network, or VPN, is a technology that allows you to connect your device to another IT network. This is where a VPN comes in.

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Cisco Security

AUGUST 24, 2023

Cisco is aware of reports that Akira ransomware threat actors have been targeting Cisco VPNs that are not configured for multi-factor authentication to infiltrate organizations, and we have observed instances where threat actors appear to be targeting organizations that do not configure multi-factor authentication for their VPN users.

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Security Affairs

APRIL 26, 2019

One in four internet users use a VPN regularly, but how much does the average user know about what goes on behind the software? Pulling back the curtain, a VPN runs on various VPN protocols that govern the way a VPN client communicates with a VPN server. However, the speed comes at the cost of encryption.

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Security Affairs

JULY 6, 2022

Hive ransomware operators have improved their file-encrypting module by migrating to Rust language and adopting a more sophisticated encryption method. The group used a variety of attack methods, including malspam campaigns, vulnerable RDP servers, and compromised VPN credentials. ” reads the post published by Microsoft.

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eSecurity Planet

OCTOBER 5, 2021

Passwords are the most common authentication tool used by enterprises, yet they are notoriously insecure and easily hackable. Recently, hackers leaked 87,000 Fortinet VPN passwords , mostly from companies who hadn’t yet patched a two-year-old vulnerability. Jump to: What is multi-factor authentication? MFA can be hacked.

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Security Affairs

NOVEMBER 9, 2024

Attackers accessed targets via VPN gateways lacking multifactor authentication, some of which ran outdated software. In each of the cases, attackers initially accessed targets using compromised VPN gateways without multifactor authentication enabled. Some of these VPNs were running unsupported software versions.”

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Security Affairs

SEPTEMBER 25, 2020

According to SAM Seamless Network , over 200,000 businesses are using Fortigate VPN with default settings, exposing them to the risk of a hack. In response to the spreading of Coronavirus across the world, many organizations deployed VPN solutions, including Fortigate VPN, to allow their employers to work from their homes.

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SecureList

OCTOBER 18, 2024

The attackers used a contractor’s login information to connect to the victim’s internal systems via a VPN. The VPN connections were established from IP addresses associated with a Russian hosting provider’s network and a contractor’s network. zip hxxp://localtonet.com/download/localtonet-win-64.zip exe process.

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Malwarebytes

MARCH 29, 2021

In addition, we speak to Malwarebytes senior security researcher JP Taggart about the importance of trusting your VPN. But obscuring your Internet activity—including the websites you visit, the searches you make, the files you download—doesn’t mean that a VPN magically disappears those things. Source: ComputerWeekly).

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Security Affairs

APRIL 12, 2019

At least four VPN apps sold or made available to enterprise customers share security flaws, warns the Carnegie Mellon University CERT Coordination Center (CERT/CC). Virtual private networks (VPNs) are affordable, easy to use, and a vital component in your system. What if these VPNs are vulnerable to attackers? 8.3R6, and 9.0R2.

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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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Security Boulevard

APRIL 27, 2022

Risky Behavior: VPN Providers Installing Root Certificates Without User Consent. Some VPN apps automatically install self-signed trusted root certificates without informed user consent, says cybersecurity research firm AppEsteem. “We brooke.crothers. Wed, 04/27/2022 - 16:21. And this can lead to security holes. In a word, trust.

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Security Affairs

SEPTEMBER 28, 2023

Cisco released security updates for an actively exploited zero-day flaw (CVE-2023-20109) that resides in the GET VPN feature of IOS and IOS XE software. The vulnerability resides in the Group Encrypted Transport VPN (GET VPN) feature of IOS and IOS XE. ” reads the advisory published by the IT giant.

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The Last Watchdog

JUNE 22, 2022

VPNs encrypt data streams and protect endpoints from unauthorized access, essentially by requiring all network communications to flow over a secured pipe. However, VPN pipes have become less efficient with the rising use of personally-owed mobile devices increasing reliance on cloud-centric IT resources.

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Security Boulevard

JANUARY 28, 2022

Compared to OTR (Off-the-Record) which basically allows single-user type of secure and encrypted communication the OMEMO protocol actually allows multi-user type of data and information exchange further strengthening the protocol's position on the market for secure mobile IM (instant messaging) applications.

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Pen Test Partners

AUGUST 29, 2024

Multi-factor authentication (MFA) : MFA requires multiple forms of identification, adding an extra layer of security. If you have to use a trusted VPN then use that, but be aware a VPN doesn’t make your connection secure it just moves the threat to the VPN provider. Multi-Factor authentication (MFA).

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Security Affairs

DECEMBER 5, 2019

Researchers discovered a vulnerability tracked as CVE-2019-14899 that can be exploited to hijack active TCP connections in a VPN tunnel. The experts explained that in this way, it is possible to hijack active connections within the VPN tunnel. ” reads the advisory published by the experts.

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Security Boulevard

FEBRUARY 2, 2024

Introduction Ivanti, an IT management and security company, has issued a warning about multiple zero-day vulnerabilities in its VPN products exploited by Chinese state-backed hackers since December 2023. to gain access to ICS VPN appliances. to gain access to ICS VPN appliances.

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Webroot

OCTOBER 17, 2024

Turn on multifactor authentication: Add multi-factor authentication to your logins for extra security. Always confirm your connection is encrypted and avoid making financial transactions unless you’re on a private network. Use a VPN: A VPN (virtual private network) protects your online identity and information.

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CyberSecurity Insiders

JUNE 5, 2023

Enable Two-Factor Authentication: T wo-Factor Authentication (2FA) adds an extra layer of security by requiring you to provide an additional verification code, typically sent to your mobile device, when logging into an account. Utilize Encryption: Encrypting your data helps ensure that it remains secure during transmission.

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eSecurity Planet

NOVEMBER 5, 2021

In cases, full disk encryption is a necessary feature. Encrypted data provides an obstacle and a layer of risk mitigation against loss since the data is not easily readable without the right encryption key. Encrypted data involves both data in transit and data at rest. Top Full Disk Encryption Software of 2021.

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eSecurity Planet

OCTOBER 1, 2021

The National Security Agency (NSA) and the Cybersecurity and Infrastructure Security Agency (CISA) have released guidance and best practices for securing virtual private network (VPN) solutions. What might be most striking about the document is how many security steps and solutions it takes to properly secure VPN connections.

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SiteLock

AUGUST 27, 2021

Let’s talk about one of the most common types of vulnerabilities on the OWASP Top 10: broken authentication & session management. Simply stated, broken authentication & session management allows a cybercriminal to steal a user’s login data, or forge session data, such as cookies, to gain unauthorized access to websites.

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Security Boulevard

JUNE 9, 2021

1998 was the same year that researchers at AT&T Labs were issued a patent (filed in 1995) for what became known in our industry as Multi-Factor Authentication (MFA). Steve and team were clearly on the right track when they dreamed up out-of-band authentication and deserve some credit and recognition for the foresight. East Coast.

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Security Boulevard

JULY 10, 2023

Public key infrastructure (PKI)  offers a globally accepted standard for implementing various security protocols and authentication mechanisms.  e-commerce and online banking), and authenticate the identity of an entity in an online environment. The good news is that you don't have to reinvent the wheel.

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The Last Watchdog

JULY 17, 2024

Additionally, enabling biometric authentication (such as fingerprint or facial recognition) adds an extra layer of security. If you must use public Wi-Fi, consider using a virtual private network (VPN) to encrypt your internet connection and protect your data. Users should create complex passwords that are difficult to guess.

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CyberSecurity Insiders

MAY 4, 2023

Enable Two-Factor Authentication: Two-factor authentication is an extra layer of secu-rity that requires you to enter a code sent to your phone or email, in addition to your password. 3. Use a VPN: A Virtual Private Network (VPN) encrypts your internet traffic, making it difficult for anyone to spy on your online activities.

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Security Affairs

AUGUST 28, 2024

is an authentication bypass vulnerability in VMware ESXi. The experts observed the threat actors using a new version of their encryptor that adds the “blackbytent_h” file extension to encrypted files, drops four vulnerable driver files, and uses victim Active Directory credentials to spread.

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