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INTERNET | Internet Software & Services / Monitoring & Security

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Founded Year



Series A | Alive

Total Raised


Last Raised

$15.5M | 1 yr ago

About Censys

Censys provides data-driven security used by researchers, corporations, and governments to find and analyze every device connected to the internet. Censys gives organizations the visibility to fight threats by continuously analyzing real-time internet data.

Censys Headquarter Location

116 1/2 S Main

Ann Arbor, Michigan, 48104,

United States


Latest Censys News

Hackers have discovered an exploit for VMware vCenter vulnerability

Sep 29, 2021

(Image credit: Altalex) A working exploit for a critical vulnerability in VMware vCenter patched last week has been spotted in the wild and is actively being used by threat actors, according to cybersecurity experts. Tracked as CVE-2021-22005, the vulnerability exists in the analytics service of vCenter Server, and can be exploited to allow attackers to remotely execute malicious code on unpatched vCenter Servers. Several security experts had warned of mass scanning activity within a day of the vulnerability’s disclosure, and the threat has become real with the discovery of a working exploit. We've put together a list of the best endpoint protection software “On September 24, 2021, VMware confirmed reports that CVE-2021-22005 is being exploited in the wild. Security researchers are also reporting mass scanning for vulnerable vCenter Servers and publicly available exploit code. Due to the availability of exploit code, CISA expects widespread exploitation of this vulnerability,” shared the US Cybersecurity and Infrastructure Security Agency (CISA) in an advisory . Free for all Even about a week after VMware putting out the patch for the vulnerability, a report by security vendor Censys shows that there are about 1500 unpatched internet-facing vCenter servers that could be exploited. Censys’ CTO Derek Abdine told ZDNet that the security vendor had proven that remote execution of the exploit is fairly straightforward. Commenting on the significance of the vulnerability, John Bambenek, principal threat hunter at Netenrich, told ZDNet that remote code execution (RCE) as root on vCenter servers is pretty significant. “Almost every organization operates virtual machines and if a threat actor has root access, they could ransom every machine in that environment or steal the data on those virtual machines with relative ease,” opined Bambenek.

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Research containing Censys

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CB Insights Intelligence Analysts have mentioned Censys in 1 CB Insights research brief, most recently on Mar 7, 2019.

Expert Collections containing Censys

Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.

Censys is included in 3 Expert Collections, including 2019 Cyber Defenders.


2019 Cyber Defenders

28 items

Our selected startups are early- to mid-stage high-momentum companies pioneering technology with the potential to transform cybersecurity.Unicorns valued at $1B+, companies that have raised funding past the Series C stage, and companies that have not raised funding since 2017 are


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