Horizon3.ai
Horizon3.ai

Resource Center

Welcome to our cybersecurity resource center where we uncover how malicious actors exploit weaknesses in systems, while going beyond the technical aspects and examining real-world perspectives across various industries.

Here you’ll find extensive research and insight from the well-known Horizon3.ai attack team, intuitive perspectives on everything security, and real-world attack path short stories that come directly from discoveries made by NodeZero.

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Showing 409–414 of 417 results

FBI: APTs Actively Exploiting Fortinet VPN Security Holes

Threat Post: 04/02/2021 “Attackers are increasingly targeting critical external applications – VPNs have been targeted even more this last year,” said Zach Hanley, senior red team engineer at Horizon3.AI, via email. “These three vulnerabilities targeting the Fortinet VPN allow an attacker to obtain valid credentials, bypass multifactor authentication (MFA), and man-in-the-middle (MITM) authentication traffic to intercept credentials.” Hanley added, “The...
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CVE-2021-27927: CSRF to RCE Chain in Zabbix

Zabbix is an enterprise IT network and application monitoring solution. In a routine review of its source code, we discovered a CSRF (cross-site request forgery) vulnerability in the authentication component of the Zabbix UI. Using this vulnerability, an unauthenticated attacker can take over the Zabbix administrator's account if the attacker can persuade the Zabbix administrator to follow a malicious link....
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POC CVE-2021-21972

Write the file supplied in the --file argument to the location specified in the --path argument. The file will be written in the context of the vsphere-ui user. If the target is vulnerable, but the exploit fails, it is likely that the vsphere-ui user does not have permissions to write to the specified path.
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Coming Changes in the Security Landscape

I’m sharing this because I believe it is relevant to ongoing decisions in this community. I’m in a senior leader cyber group and got the chance to follow the headliner yesterday on Vulnerability Assessment tools. I lit them up, and had a CEO reach out to me afterwords on LI…here’s the conversation: Hi Monti, Thank you for your thoughts on...
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Purple Teams

Purple teaming is the result of collaboration, communication and sharing of information between a red team and a blue team in an effort to improve the overall security posture of an organization. How organizations comprise these components may vary, but for context, a Red team is the offensive security team. They are trained in the tools, Tactics, Techniques and Procedures...
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