BlackFog Review 2025: Anti Data Exfiltration (ADX) From a Certified Reseller
BlackFog won the MSP Today Product of the Year 2025 award and was shortlisted at the Teiss Awards 2025 — and in our experience deploying it across dozens of UK organisations, the recognition is deserved. With a verified 99% ransomware prevention rate and SOC 2 Type II certification, BlackFog's Anti Data Exfiltration (ADX) platform sits in a category it essentially created: preventing data from leaving your network, regardless of how an attacker got in.
99% ransomware prevention rate — verified across BlackFog's global deployment base.
What Is BlackFog ADX?
Anti Data Exfiltration (ADX) is a fundamentally different approach to endpoint security. Traditional tools — antivirus, EDR, XDR — focus on detecting and responding to threats after they enter your network. BlackFog works at the network layer to prevent data from being exfiltrated in the first place. It monitors all outbound traffic in real time, blocking unauthorised data transfers to known and unknown malicious destinations. This means even if a zero-day exploit bypasses your detection stack, BlackFog stops the attacker from extracting anything valuable.
Key Features We Use Daily
After deploying BlackFog across client environments ranging from 25 to 2,000 endpoints, several features stand out as genuinely differentiated. The enterprise console provides a single pane of glass for every protected device, with real-time visibility into blocked exfiltration attempts, geofencing violations, and dark web data flow. Threat hunting capabilities built into the platform allow our analysts to investigate suspicious patterns without needing a separate SIEM. Automated breach reporting generates audit-ready documentation that satisfies ICO, GDPR, and sector-specific regulatory requirements.
- Real-time exfiltration blocking across all outbound protocols
- Geofencing — block data transfers to specific countries or regions
- Dark web traffic monitoring and automatic blocking
- Enterprise console with per-device and per-group policy management
- Built-in threat hunting and forensic investigation tools
- Automated breach reporting for regulatory compliance (GDPR, NIS2, DORA)
- Fileless attack prevention at the network layer
- Behavioural profiling of outbound data flows
Real-World Performance
In our deployments, BlackFog consistently blocks exfiltration attempts that other tools miss entirely. One manufacturing client had three separate ransomware incidents in 2024 — all caught by their EDR, but not before the attackers had already exfiltrated 12GB of sensitive data for double-extortion leverage. After deploying BlackFog alongside their existing EDR stack, the next attempted exfiltration was blocked within seconds, with zero data leaving the network. The lightweight agent has negligible performance impact — typically under 1% CPU overhead — and does not conflict with existing security tooling.
Pricing Model
BlackFog uses a tiered annual pricing model based on endpoint count. The Foundation tier includes core ADX protection, the enterprise management console, and breach reporting. Higher tiers add threat hunting capabilities, advanced geofencing, and priority support. Per-endpoint cost decreases as volume increases, making it progressively more cost-effective for larger deployments. A 30-day free assessment covering 25 devices is available — this is genuinely the best way to evaluate BlackFog, because you will see exactly what data is leaving your network today.
Pros and Cons — Honest Assessment
No product is perfect, and an honest review requires acknowledging limitations alongside strengths. BlackFog excels in its core mission: preventing data exfiltration. It is not, however, a replacement for endpoint detection and response. It is a complementary layer that addresses the specific gap EDR tools leave open. Organisations expecting BlackFog to replace their entire security stack will be disappointed — those who deploy it as the exfiltration prevention layer alongside existing detection tools will see transformative results.
- Pro: Only tool in its class — genuine ADX with no direct competitor
- Pro: Lightweight agent with sub-1% CPU overhead
- Pro: Enterprise console is genuinely excellent for multi-site management
- Pro: SOC 2 Type II certified — audited security practices
- Pro: 30-day free assessment shows immediate, tangible results
- Con: Not a standalone security solution — requires existing AV/EDR
- Con: Advanced threat hunting features only available on higher tiers
- Con: Relatively new product category — some prospects need education on ADX
Who Should Use BlackFog?
BlackFog is best suited for organisations that already have basic endpoint protection in place and want to close the exfiltration gap. Regulated industries — financial services, healthcare, legal, gaming — benefit most because data breach notification requirements make exfiltration prevention a direct cost-avoidance measure. Mid-market organisations with 50 to 5,000 endpoints are the sweet spot, though we have seen effective deployments at both smaller and larger scales. If you have ever suffered a breach where data was stolen before your EDR responded, BlackFog is the tool that would have prevented the extraction.
Frequently Asked Questions
Does BlackFog replace antivirus or EDR?
No. BlackFog is designed to work alongside your existing endpoint protection stack — antivirus, EDR, XDR. It adds the exfiltration prevention layer that those tools do not cover. Think of it as the last line of defence: even if malware gets past your detection tools, BlackFog prevents it from sending your data anywhere.
How does BlackFog block ransomware?
Modern ransomware relies on data exfiltration for double-extortion — stealing your data before encrypting it, then threatening to publish it. BlackFog blocks the exfiltration step, which means attackers cannot steal your data even if they deploy ransomware on your endpoints. This removes the leverage attackers need for double-extortion demands.
What is the 30-day free assessment?
BlackFog offers a no-cost, no-obligation 30-day assessment covering up to 25 devices. During this period, BlackFog monitors all outbound data flows and produces a detailed report showing exactly what data is leaving your network, where it is going, and what would have been blocked. Most organisations are shocked by the results.
Is BlackFog SOC 2 certified?
Yes. BlackFog holds SOC 2 Type II certification, which means an independent auditor has verified that their security controls are not only designed properly but are operating effectively over time. This is a requirement many enterprise procurement teams look for.
How much does BlackFog cost?
BlackFog is priced per endpoint on an annual subscription. The cost decreases as endpoint count increases. Contact us for a tailored quote — or start with the free 30-day assessment covering 25 devices to see the value before committing.
Does BlackFog work on Mac and Linux?
BlackFog supports Windows, macOS, and Linux endpoints. All platforms are managed through the same enterprise console, with consistent policy enforcement across operating systems.
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Kyanite Blue is an authorised BlackFog partner. We deploy, manage, and support ADX for organisations across every sector.
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