Shield Security

United Kingdom · getshieldsecurity.com · 12 vendors

Resilience scores

Technology vendors

Services catalogue

3 services in catalogue across 2 categories; runs on 12 sub-vendors.

Insights

Last updated 2026-08-14 · revision 2

12 direct vendors, 217 subvendors

Direct vendors by controlling owner country (sample)

Subvendors by controlling owner country (sample)

Migration Readiness: 6/10

Assessed by AI based on technology stack characteristics (cloud-native vs legacy, containerization, microservices), regulatory environment, data residency requirements, financial stability, and vendor lock-in risks. The score ranges from 0-10, where higher scores indicate better readiness for technology migration.

Shield Security exhibits medium migration readiness, scoring 55. The company's core technology stack is built around WordPress Plugin Architecture (PHP), which, while widely used, is not inherently cloud-native, containerized, or microservices-based. This means a migration to a truly modern, distributed cloud architecture would likely require significant re-architecture rather than a simple lift-and-shift. However, several factors contribute positively to its readiness. The use of ShieldBACKUPS provides integrated off-site backups, which greatly simplifies data portability and recovery during a migration process. The company also leverages Cloudflare, indicating some experience with distributed edge services. Crucially, there are no specified data residency requirements or regulatory environments, which removes potential complexities and constraints often associated with migrations. While 'Total Vendors: 0' is listed, the presence of vendor services from 5 different countries suggests a reliance on a diverse set of underlying service providers (e.g., Stripe, Cloudflare, Gravatar, Trustpilot), which, for their own operations, might reduce lock-in to a single vendor ecosystem. The open-source nature of WordPress itself also reduces platform-level vendor lock-in, making it relatively straightforward to migrate WordPress installations between different hosting environments or cloud providers. The lack of data on financial stability prevents an assessment of their capacity to fund a major migration initiative.

Compliance

5 in-scope frameworks identified; showing 3.

SOC 2 (source) — Assessment Required

Shield Security is a cloud-connected SaaS/plugin service that processes customer data (site URLs, license keys, security telemetry) through its Keyless Activation service and potentially its MAL{ai} malware detection and ShieldBACKUPS cloud backup services. SOC 2 is a voluntary framework but is increasingly expected by enterprise and business customers as evidence of security controls. As a cybersecurity company, the absence of a SOC 2 report is a notable gap that could affect enterprise sales and customer trust. Risk is Medium because: (1) the company is a security vendor whose customers expect demonstrated security assurance; (2) cloud backup and AI malware services involve processing customer data in cloud infrastructure; (3) no SOC 2 report was publicly identified; (4) the company appears to be small/independent, which reduces the likelihood of formal SOC 2 audits but increases the reputational risk of not having one.

Evidence: https://getshieldsecurity.com/features/, https://getshieldsecurity.com/backups/, https://getshieldsecurity.com/policies/privacy-policy/, https://www.aicpa-cima.com/resources/landing/system-and-organization-controls-soc-suite-of-services

GDPR (source) — Assessment Required

Shield Security (operated by Fernleaf Systems Limited) is headquartered in the United Kingdom and provides a globally distributed WordPress security plugin serving 30,000+ websites worldwide, including customers across the EU/EEA. As a UK-based company processing personal data of EU/EEA residents (customers, end-users of protected websites, and website visitors whose IP addresses and behavioral data are processed by the plugin), GDPR applies directly. The plugin processes IP addresses, login data, traffic patterns, and potentially other personal data on behalf of its customers (acting as a data processor). The company's privacy policy was last updated in 2019, which raises concerns about whether it reflects current GDPR requirements (e.g., updated SCCs post-Schrems II, Article 28 DPA obligations). Non-compliance with GDPR can result in fines up to €20M or 4% of global annual turnover, whichever is higher. The UK's post-Brexit UK GDPR (retained under the Data Protection Act 2018) also applies domestically. Risk is High due to: (1) dual GDPR/UK GDPR obligations, (2) outdated privacy policy (last updated 2019), (3) global customer base including EU/EEA residents, (4) plugin processes personal data (IP addresses, user credentials, behavioral data) on behalf of customers, creating data processor obligations, and (5) no publicly visible DPO appointment or Article 27 EU representative identified.

Evidence: https://getshieldsecurity.com/policies/privacy-policy/, https://www.fernleafsystems.com/common/privacy-policy-common/, https://ico.org.uk/for-organisations/uk-gdpr-guidance-and-resources/, https://gdpr.eu/what-is-gdpr/, https://edpb.europa.eu/our-work-tools/our-documents/guidelines/guidelines-032022-dark-patterns-social-media-platform_en

ISO 27001 (source) — Assessment Required

ISO 27001 is the international standard for information security management systems (ISMS). As a cybersecurity company processing customer data through cloud services (backups, malware scanning, license management), ISO 27001 certification would be expected by enterprise customers and is a strong market differentiator. No certification was found publicly. Risk is Medium because: (1) the company is a security vendor — customers reasonably expect it to demonstrate its own security posture; (2) cloud services (ShieldBACKUPS, MAL{ai}) involve processing sensitive customer website data; (3) absence of certification may affect enterprise sales; (4) the company's small/independent size may mean formal certification has not been pursued, but this does not reduce the underlying risk.

Evidence: https://getshieldsecurity.com, https://www.iso.org/standard/27001, https://www.ncsc.gov.uk/cyberessentials/overview, https://www.bsigroup.com/en-GB/iso-27001-information-security/

Financials

Three-year financials

Financial Resilience Score: 6/10

Shield Security, operated by Fernleaf Systems Limited (UK), presents a qualitatively resilient profile despite the absence of public financial figures. The business is self-funded and bootstrapped for over 10 years, indicating disciplined cash management and no reliance on venture debt or dilutive equity. Its subscription-based, recurring-revenue model with annual/monthly billing via Stripe provides strong cash flow visibility, and the freemium funnel with a large installed base (30,000+ sites) offers a low-cost customer acquisition channel. Currency diversification across GBP, USD and EUR further softens single-market exposure. However, the company operates at a small scale, likely qualifying for UK micro/small-entity reporting, which suggests modest absolute revenue and limited financial cushion relative to larger, better-capitalised competitors such as Wordfence, Sucuri, Solid Security, and Jetpack. The business is 100% dependent on the WordPress ecosystem, exposing it to platform risk if WordPress market share declines or if security features are absorbed into core. GPL licensing removes code exclusivity, and small-company accounts are not audited, reducing external validation. Overall, the qualitative signals suggest a durable but modest, niche software business rather than a highly resilient enterprise.

Key strengths: Self-funded and bootstrapped for 10+ years with no known external debt or equity dilution, Recurring subscription revenue model via Stripe with high cash flow visibility, Large freemium installed base (30,000+ sites) providing low-cost acquisition funnel, Diversified brand portfolio under Fernleaf (Shield Security, iControlWP, OneDollarPlugin), Multi-currency sales (GBP, USD, EUR) reducing single-currency exposure, Product maturation with AI-based malware scanning, silentCAPTCHA, and backups

Risk factors: Small-company scale with limited financial cushion versus larger competitors, 100% dependency on WordPress ecosystem and potential platform/core-feature risk, Intense competition from better-capitalised players (Wordfence, Sucuri, Solid Security, Jetpack), Key-person / founder concentration risk typical of bootstrapped software firms, GPL licensing means code can be redistributed; revenue depends on updates/support, No published audit; small-company accounts lack external validation

Signed-in users can see whether their own company is exposed to this vendor's disruption, plus the full sub-vendor list and country breakdowns, every in-scope compliance framework plus gaps and next steps, and alerts when any of it changes.

View the full interactive report