Duo's Security Blog

APRIL 6, 2022

One common hurdle for systems administrators setting up new Duo Unix integrations is PAM — Pluggable Authentication Modules. We hope that the guidance below, combined with our extensive documentation , will help those setting up new integrations get their systems configured quickly and easily. What is PAM? Other Flags.

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Hot for Security

FEBRUARY 10, 2021

. “TeamViewer’s legitimate use, however, makes anomalous activity less suspicious to end users and system administrators compared to typical RATs.”. The notice further warns about the use of Windows 7, which Microsoft stopped supporting in January of last year.

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Hacking Social Engineering System Administration Passwords 124

Malwarebytes

JULY 29, 2021

The attack could force remote Windows systems to reveal password hashes that could then be easily cracked. Microsoft quickly sent out an advisory for system administrators to stop using the now deprecated Windows NT LAN Manager (NTLM) to thwart an attack. The authentication process does not require the plaintext password.

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Security Affairs

JUNE 2, 2020

The vulnerability could potentially allow an authenticated attacker to gain access to corporate network, access to sensitive data, and control private clouds within an entire infrastructure. “An authenticated actor may be able to send malicious traffic to VMware Cloud Director which may lead to arbitrary remote code execution.

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Security Affairs

AUGUST 9, 2021

The Taiwanese company urges its customers to enable multi-factor authentication where available, enable auto block and account protection, and to use string administrative credentials, . System administrators that have noticed suspicious activity on their devices should report it to Synology technical support.

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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.

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Centraleyes

DECEMBER 16, 2024

Verizons Data Breach Investigations Report showed that 74% of security breaches involve a human element, with system administrators and developers accounting for most of these errors. In a recent survey, 93% of respondents admitted to knowingly increasing their companys cybersecurity risks.

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Security Affairs

FEBRUARY 14, 2021

The FBI is warning companies about the use of out-of-date Windows 7 systems, desktop sharing software TeamViewer, and weak account passwords. “TeamViewer’s legitimate use, however, makes anomalous activity less suspicious to end users and system administrators compared to typical RATs.” Windows 10).

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Security Affairs

FEBRUARY 8, 2023

A JSON Web Token (JWT) is a sort of session token that represents a user’s valid authenticated session on a website. The expert used the JWT to access the GSPIMS portal and after gaining access to the platform he discovered an account with system administrator privileges. System Admins can access all the tabs.”

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Malwarebytes

OCTOBER 22, 2021

Various businesses and organizations rely on these systems. Authentication mechanisms such as Time-based One-Time Password (TOTP) and Kerberos also rely heavily on time. As such, should there be a severe mismatch in time, users would not be able to authenticate and gain access to systems.

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Security Affairs

JUNE 8, 2022

“Upon gaining an initial foothold into a telecommunications organization or network service provider, PRC state-sponsored cyber actors have identified critical users and infrastructure including systems critical to maintaining the security of authentication, authorization, and accounting.

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The Last Watchdog

JUNE 2, 2021

PKI is the authentication and encryption framework on which the Internet is built. It works by issuing digital certificates to verify the authenticity of the servers ingesting the data trickling in from our smartphones, Internet of Things sensors and the like. And threat actors have become adept at account takeovers.

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SecureList

DECEMBER 9, 2024

XZ backdoor to bypass SSH authentication What happened? User data was stolen from Cisco Duo, a service that provides organizations with multi-factor authentication (MFA) and single sign-on (SSO) network access, as a consequence of a phishing attack targeting an employee of a third-party telephony provider.

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Webroot

APRIL 2, 2024

This brute force capability poses a significant threat to systems protected by weak or commonly used passwords. It underscores the necessity for robust password policies and advanced security measures like Multi-Factor Authentication (MFA) and encryption methods resilient against GPU-powered attacks.

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SecureList

MARCH 12, 2024

Broken Authentication 5. Broken Authentication 5. Mitigation: implement authentication and authorization controls according to the role-based access model. An XSS attack against the application’s clients can be used for obtaining user authentication information, such as cookies, phishing or spreading malware.

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Security Affairs

APRIL 30, 2020

The PerSwaysion campaign proliferates with alarming rates by leveraging compromised accounts’ email data to select further targets who hold important roles in their companies and share business relations with the victims. New round of phishing attempts leveraging current victim’s account usually takes less than 24 hours.

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Security Affairs

AUGUST 4, 2021

It guides system administrators and developers of National Security Systems on how to deploy Kubernetes with example configurations for the recommended hardening measures and mitigations. Use strong authentication and authorization to limit user and administrator access as well as to limit the attack surface.

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eSecurity Planet

NOVEMBER 30, 2021

Privileged accounts are among an organization’s biggest cybersecurity concerns. These accounts give admins control over data, applications, infrastructure and other critical assets that average system users don’t have permission to access or change. What is Privileged Access Management (PAM)?

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eSecurity Planet

FEBRUARY 26, 2024

The fix: System administrators are encouraged to install the Exchange Server 2019 Cumulative Update 14 (CU14), which was issued in February 2024 and enabled NTLM credentials Relay Protection. Read our guide on privilege escalation attacks next to learn about the detection and prevention strategies for your privileged accounts and data.

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IT Security Guru

SEPTEMBER 7, 2022

Or, if you’re using an external API for authentication, then your authentication token could be stolen by an attacker who has gained access to the server hosting that external service via some other means such as social engineering or brute force attacks on their account credentials (e.g., password guessing).

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Malwarebytes

JUNE 24, 2022

It allows system administrators and power users to perform administrative tasks via a command line—an area where Windows previously lagged behind its Unix-like rivals with their proliferation of *sh shells. Multiple authentication methods in PowerShell permit use on non-Windows devices.

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eSecurity Planet

SEPTEMBER 11, 2023

Alarmingly, this API lacks any form of authentication, allowing virtually anyone, even a malicious website you might visit, to send commands to the CLI. They can be remotely exploited without authentication, potentially enabling remote code execution, service disruptions, and arbitrary operations on the routers. via port 8076.

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eSecurity Planet

JULY 15, 2024

However, exploitation requires authentication and specific configurations. Always keep systems up to date and reduce unnecessary service exposure. Avoid unauthorized access by employing stronger authentication methods for your systems via access management tools. The fix: Gogs hasn’t issued any fixes yet.

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IT Security Guru

APRIL 12, 2022

There are a few notable exploited misconfigurations, from default built-in file sharing, and lack of password enforcement, albeit no password to multi-factor authentication (MFA), to the risks of legacy protocols and OAuth apps, that can bring a little clarity to understanding the complex landscape that is a company’s SaaS security posture.

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Duo's Security Blog

NOVEMBER 27, 2023

We also recognize that defenders and system administrators operate with a lot of constraints and aren’t always able to configure their environment to their ideal security posture. Be especially aware of the owner role, which is a super-admin role: it can grant admin privileges to other accounts.

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Security Affairs

AUGUST 19, 2019

Webmin is an open-source web-based interface for system administration for Linux and Unix. It allows users using web browsers to set up user accounts, Apache, DNS, file sharing and much more. Webmin, the popular open-source web-based interface for Unix admin contained a remote code execution vulnerability for more than a year.

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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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eSecurity Planet

FEBRUARY 15, 2022

Review domain controllers, servers, workstations, and active directories for new or unrecognized user accounts. Audit user accounts with administrative privileges and configure access controls with least privilege in mind, and use multifactor authentication. 7 SP1, 8, 8.1) How to Use the CISA Catalog.

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Duo's Security Blog

DECEMBER 19, 2024

While we tend to associate phishing emails more with our personal accounts, attacks targeting our work identities whether through socially engineered phishing, brute force, or another form, are very common. Combined, these sectors accounted for more than 30 percent of account compromises.

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Malwarebytes

APRIL 21, 2021

Cybersecurity sleuths Mandiant report that they are tracking “12 malware families associated with the exploitation of Pulse Secure VPN devices” operated by groups using a set of related techniques to bypass both single and multi-factor authentication. The identified threat actors were found to be harvesting account credentials.

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Duo's Security Blog

NOVEMBER 16, 2020

The project touches many aspects of Duo, but focuses on drastically improving Duo’s web-based authentication interface. A consistent request we’ve heard from customers is, ‘we want more flexibility around customizing the authentication prompt. The interface, or prompt, is a core component in delivering our secure access solution.

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eSecurity Planet

AUGUST 28, 2023

Some of these attacks are challenging to detect because they look like they could be the behavior of legitimate system administrators. OpenFire vulnerability persists Open-source chat server OpenFire has been affected by an authentication bypass vulnerability (CVE-2023-32315) since May.

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CyberSecurity Insiders

SEPTEMBER 21, 2021

If any potentially hazardous characters must be allowed as input, be sure that you implement additional controls like output encoding, secure task specific APIs, and accounting to use that data throughout the application. Authentication and password management. Implement password hashing on a trusted system. Session management.

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eSecurity Planet

AUGUST 28, 2023

Some of these attacks are challenging to detect because they look like they could be the behavior of legitimate system administrators. OpenFire vulnerability persists Open-source chat server OpenFire has been affected by an authentication bypass vulnerability (CVE-2023-32315) since May.

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SecureWorld News

SEPTEMBER 15, 2020

Between January and August 2020, unidentified actors used aggregation software to link actor-controlled accounts to client accounts belonging to the same institution, resulting in more than $3.5 Some of the credentials belonged to company leadership, system administrators, and other employees with privileged access.".

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Malwarebytes

OCTOBER 22, 2021

So why do we keep hearing things like this: We’re also feeling relatively confident, we have a very good backup system … and then we find out at about four or five hours after the [ransomware] attack that our backup system is completely gone. Ski Kacoroski, System administrator, Northshore School District.

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Security Boulevard

SEPTEMBER 17, 2022

These types of "unauthorized access" attacks account for 50% of all data breaches and can cost companies as much as $9.5M Zero trust is built on the principle that no person or device inside or outside of an organization's network should be granted access to connect to systems until authenticated and continuously verified.

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