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Alert Logic

Category: AI in Cybersecurity

A leading SaaS-enabled Managed Detection and Response (MDR) provider that delivers 24/7 security visibility and expert threat response across cloud, hybrid, and on-premises environments. Alert Logic was founded in 2002. The company is led by John Post. Based in Houston, USA. Team size: 500-1000. Total funding raised: $118.1M. Latest round: Acquisition by LevelBlue. Key investors include ["Welsh, Carson, Anderson & Stowe","Mercury Fund","Updata Partners","Covera Ventures"].

Founded
2002
Headquarters
Houston, USA
Team size
500-1000
Total funding
$118.1M

Value proposition

Provides 'SIEMless' threat management by combining a proprietary analytics platform with human expertise, allowing companies to achieve enterprise-grade security and compliance without the cost of building an internal SOC.

Products and solutions

["Managed Detection and Response (MDR)","Extended Detection and Response (XDR)","Managed Web Application Firewall (WAF)","Cloud Security & Compliance Monitoring","Vulnerability Scanning and Log Management","Intelligent Response (SOAR for mid-market)"]

Unique value

Recognized as the industry's first SaaS-enabled MDR provider, Alert Logic uniquely integrates its own proprietary technology stack with a 'human-in-the-loop' service model, ensuring that automated alerts are verified by security experts before reaching the customer.

Target customer

Mid-market to enterprise organizations, particularly those with cloud-native or hybrid infrastructures and limited in-house security operations center (SOC) resources.

Industries served

["Information Technology & SaaS","Financial Services","Healthcare","Retail & E-commerce","Professional Services"]

Technology advantage

Leverages the 'ActiveAnalytics' engine to process over 140 billion log messages daily and features deep cloud-native integrations (AWS, Azure, GCP) that allow for rapid deployment and consistent security posture across diverse IT architectures.

How they differentiate

Alert Logic differentiates through a 'SIEMless' MDR approach, combining its proprietary ActiveAnalytics engine with 24/7 human expertise. Unlike competitors that require customers to manage a SIEM, Alert Logic provides a fully managed cloud-native platform with deep AWS and Azure integrations.

Main competitors

["Arctic Wolf","eSentire","Rapid7"]

Key partnerships

["AWS Premier Tier Services Partner","Microsoft Azure Security Partner","Google Cloud Platform (GCP)","Cisco (Endpoint MDR integration)","LevelBlue (Joint venture between AT&T and Willander Capital)"]

Notable customers

["New Relic","Scania","BMW","King's College London"]

Major milestones

["Founded in 2002 as a pioneer in SaaS-based security.","Acquired by Private Equity firm Welsh, Carson, Anderson & Stowe in 2013.","Acquired by Fortra (formerly HelpSystems) in March 2022.","Definitive agreement for acquisition by LevelBlue (AT&T/Willander JV) announced in January 2025."]

Growth metrics

Estimated Annual Recurring Revenue (ARR) exceeding $150M; serving over 4,000 global customers.

Market positioning

Established leader in the Managed Detection and Response (MDR) market, specifically targeting mid-market and enterprise organizations requiring cloud-native security.

Geographic focus

North America, United Kingdom, Europe, and Asia-Pacific.

Patents and IP

Holds multiple USPTO patents including US7594270B2 (Threat scoring system for intrusion detection) and US8219512B2 (Higher order logic for alarm analysis and filtering).

About John Post

John Post is a seasoned executive with over 20 years of experience in finance, operations, and technology leadership. Before being named CEO of Alert Logic in 2021, he served as the company's CFO. His career includes pivotal roles such as General Manager of Webroot and Chief Operating Officer of Carbonite (acquired by OpenText). He also spent significant time in leadership at DISH Network and began his career in professional services at Deloitte.

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