Security News

The 10 Hottest Cybersecurity Startups In 2023 (So Far)

Kyle Alspach

Startups with innovative new tools for securing the cloud, applications and authentication are among those that have stood out from the pack during the first half of this year.

Hot Startups

While venture funding has been harder to come by in 2023, many cybersecurity startups have continued to thrive as demand for innovative new tools in the space remains strong. In particular, startups that specialize in fast-growing areas such as cloud security, application security and passwordless authentication have been seeing major interest from partners and customers during the first half of the year.

[Related: 20 Hottest Cybersecurity Products At RSAC 2023 ]

A number of cybersecurity startups have raised major funding rounds, launched unique new products, or both in 2023. Increasingly, many companies in the security industry are also rolling out channel programs that aim to bring partners into the mix even at an early stage. We’ve been tracking a wide array of cybersecurity startups and have chosen 10 that especially caught our attention during the first half of 2023.

Demand for cybersecurity tools that bring new approaches to securing against ransomware, data theft and other key threats continues to grow as attackers remain agile in their tactics. For instance, in one of the year’s highest-profile cyberattacks, the supply chain compromise of communications software firm 3CX, Mandiant researchers said that the attack was unprecedented on account of the fact that its cause was actually a prior software supply chain attack. “This is the first time Mandiant has seen a software supply chain attack lead to another software supply chain attack,” the incident response and threat intelligence firm, owned by Google Cloud, said in April.

Software supply chain attacks are among the critical threats that startups on our list are helping to protect organizations against, alongside other threats such as ransomware, which some researchers say appears to be seeing a resurgence this year after declining in 2022.

What follows are the 10 hottest cybersecurity startups in 2023 so far.

Kyle Alspach

Kyle Alspach is a Senior Editor at CRN focused on cybersecurity. His coverage spans news, analysis and deep dives on the cybersecurity industry, with a focus on fast-growing segments such as cloud security, application security and identity security.  He can be reached at

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