Group-IB

Definition

Group-IB is a cybersecurity company that specializes in threat intelligence, fraud prevention, and digital forensic investigations, tracking organized cybercriminal groups and the infrastructure they use for phishing, ransomware, and financial fraud. It provides threat intelligence feeds, incident response services, and investigative support to enterprises, financial institutions, and law enforcement agencies, drawing on research into the tactics and infrastructure of specific threat actor groups.

Overview

Enterprises and financial institutions face a persistent problem: attacks rarely come from anonymous, one-off actors. Much of the damage from phishing campaigns, ransomware, and payment fraud traces back to identifiable criminal groups that reuse infrastructure, tools, and techniques across many victims. Group-IB was built around the idea that understanding those groups in depth, rather than only analyzing individual incidents, gives defenders an advantage in anticipating and disrupting future attacks. Mechanically, Group-IB combines threat intelligence research with hands-on investigative and incident response work. Its analysts track threat actor infrastructure such as command-and-control servers, phishing kits, and malware families, correlating this activity across client engagements and open and closed sources to build profiles of specific criminal groups. This intelligence feeds into products that alert clients when their brand, executives, or customers are targeted by phishing or fraud, and it also supports takedown requests against malicious domains and fraudulent sites impersonating a client's brand. Group-IB differs from a pure-play threat intelligence feed vendor in that it also performs direct investigative and incident response engagements, often working alongside or on behalf of law enforcement in cybercrime cases, which gives its research a forensic, case-based grounding rather than purely automated collection. It is not a managed detection and response provider in the sense of continuously monitoring a client's own network telemetry around the clock, though it does offer incident response services when a breach occurs. That combination of investigation and intelligence also means its outputs tend to name specific campaigns and infrastructure rather than staying at the level of generic indicators, which is what makes its group-specific research reports useful to other defenders even outside a direct client relationship. In practice, banks and other financial institutions use Group-IB's fraud protection products to detect account takeover attempts and phishing sites targeting their customers, while enterprises engage the company for incident response after a breach or for ongoing threat intelligence on groups likely to target their sector. Its research publications on specific ransomware and fraud groups are also widely cited in the broader security community. The trade-off with any threat intelligence and investigative vendor is that value depends heavily on how well the intelligence maps to an organization's actual threat model; a small business with limited exposure may find broad threat actor tracking less actionable than a targeted vulnerability management program. Engagements can also be relationship- and expertise-driven rather than fully self-service, meaning results vary with the specific analysts assigned and the scope purchased. Buyers evaluating a firm like Group-IB should weigh whether they need bespoke investigative depth against whether a self-service threat intelligence feed or an in-house team would answer the same questions at lower ongoing cost.

Key Features

• Tracks specific cybercriminal and threat actor groups over time
• Provides threat intelligence feeds correlated across client incidents
• Offers digital forensic and incident response investigation services
• Detects phishing and brand impersonation targeting client customers
• Supports takedown requests against fraudulent domains and sites
• Publishes research on ransomware and fraud group tactics
• Assists law enforcement with cybercrime investigations
• Serves financial institutions with account takeover and fraud detection

Use Cases

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Frequently Asked Questions

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