Guardio

Company Overview

Snapshot

Founded in November 2018 by Amos Peled, Michael Vainshtein, and Daniel Sirota, Guardio operates with 51–200 employees. The company has raised $127 million across 2 funding rounds from 9 investors, with ION Crossover Partners leading its November 2025 round.

Business overview

Guardio develops tools and products to combat modern web- and cloud-based threats, serving both enterprise and consumer markets. Its core technology leverages real-time updates, bulk data pipelines, and dynamic heuristics to block malicious signatures, rules, and extensions. Guardio specializes in mapping, storing, and indexing the Chrome Extension ecosystem, alongside probing and mapping the visible internet to gather metadata and fingerprints for its decision-making engine. The company also utilizes client-side deep-learning models for detecting fraudulent websites and providing immediate mitigation, operating within the Cyber Security sector, specifically focusing on Application & Website Security.

Strategic signal

In November 2025, Guardio secured an $80 million financing round led by ION Crossover Partners, signaling strong investor confidence in its growth trajectory. This funding is earmarked for expanding detection capabilities, building advanced defense layers, and enhancing international marketing, indicating a strategic push towards broader market penetration and product sophistication in the face of evolving cyber threats.

Company Intelligence Q&A

What was Guardio's most recent funding round?

In November 2025, Guardio completed an $80 million financing round led by ION Crossover Partners. The funds are intended to expand detection capabilities, build advanced defense layers, and enhance international marketing and brand development.

What is Guardio's strategy for combating AI-driven threats?

Guardio specializes in developing protection engines for private users, focusing on combating sophisticated attacks and AI-driven scams. The company's research, published in August 2025, also highlights vulnerabilities in AI browsers and autonomous AI agents, demonstrating how these technologies can be manipulated by fraud tactics.

Has Guardio formed any significant partnerships recently?

In November 2025, Guardio partnered with Lovable, an AI-driven coding platform, to integrate its Safe Browsing engine for real-time threat detection. This collaboration aims to enhance the security of AI-generated web content by blocking phishing and scams at the point of creation.

What is Guardio's approach to protecting users during major events?

In October 2024, Guardio highlighted the increased risk of cyber threats and fraud attempts during the 2024 US presidential election season. The company warned that criminals exploit voters' enthusiasm by creating scam websites, phishing attempts, and fraudulent merchandise offers, emphasizing the importance of digital protection and awareness.

When did Guardio raise its first funding round?

Guardio raised its first funding round in December 2021, securing $47 million. This round was led by Tiger Global Management and included participation from Kaedan Capital.