Bolster
Track on RadarAI platform for phishing detection, brand impersonation, and automated takedowns.
- Total raised
- $46M
- Employees
- 91
- Founded
- 2019
- Momentum
- 37
Cooling
Data updated August 2026
About
About Bolster
At a glance
Bolster is a cybersecurity company specializing in Attack Surface, founded in 2019 and headquartered in Santa Clara, United States. It has raised $46M in total funding, employs about 91 people, and is privately held.
Bolster is a cybersecurity company focused on detecting and remediating phishing attacks, brand impersonation, and online fraud. The company offers an AI-powered platform designed to help organizations identify and take down malicious content targeting their brand across multiple digital channels. The Bolster Platform includes the following core capabilities: - Domain Monitoring and Takedowns: Scans for lookalike domains, typosquatted URLs, and fake websites impersonating a brand. - Social Media Monitoring and Takedowns: Detects fake company profiles, executive impersonations, and scam posts across major social platforms. - App Store Monitoring and Takedowns: Monitors global app stores for fraudulent mobile applications and coordinates removal with Apple, Google, and others. - Dark Web AI Monitoring: Scans dark web forums, Telegram channels, and underground marketplaces for stolen credentials, leaked data, and brand asset abuse. - Customer Abuse Mailbox: Analyzes customer-reported phishing emails and automates takedown workflows. - Automated Takedowns: An AI-powered, SOC-backed service that removes phishing sites, fraudulent social accounts, and brand abuse content. - Signals: An early-warning feature providing threat intelligence feeds and integrations. Bolster also offers CheckPhish, a free community tool for URL scanning and typosquat analysis. The platform targets enterprises across industries including finance, technology, and consumer brands. Customers include companies such as Uber, Dropbox, Canva, Booking.com, SoFi, and McAfee.
Momentum
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Valuation
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Privately held
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FAQ
Frequently asked questions about Bolster
When was Bolster founded?▾
Bolster was founded in 2019.
Where is Bolster headquartered?▾
Bolster is headquartered in Santa Clara, United States.
How much funding has Bolster raised?▾
Bolster has raised a total of $46M in total funding.
Is Bolster public or private?▾
Bolster is a privately-held company.
How many employees does Bolster have?▾
Bolster has approximately 91 employees.
What does Bolster do?▾
Bolster is a cybersecurity company focused on detecting and remediating phishing attacks, brand impersonation, and online fraud. The company offers an AI-powered platform designed to help organizations identify and take down malicious content targeting their brand across multiple digital channels.…