Enabling Trust in a Hyper connected World
We embed Security by Design and Privacy by Design across your organisation making you resilient, compliant, and agile amidst evolving threats and regulations like DPDPA, CERT-IN, GDPR, and CCPA.
Our Core Cyber Security Services
360° portfolio across prevention, detection, response & recovery
Outcome-driven services aligned to Defence in Depth (DiD).
Security Operations Center (SOC)
We design and operate advanced 24×7 SOCs tailored for hybrid, on-premises, and cloud-native environments. Outcome would be proactive threat visibility and faster incident response to reduce business risk.
- Real-time threat monitoring using SIEM, SOAR, and threat intel
- Behavioural analytics and log correlation
- Incident management and ticketing workflows
- Phishing detection and insider threat alerts
Incident Response & Managed Detection & Response (MDR)
We help you respond to, recover from, and learn from cybersecurity incidents, before they escalate. Outcome would be business continuity with minimal downtime and reduced reputational impact.
- Breach containment and ransomware mitigation
- Malware triage and reverse engineering
- Threat hunting and digital forensics (DFIR)
- Cyber Risk Quantification (CRQ) and tailored Cyber Threat Intelligence (CTI)
Code & Application Security
We secure your applications right from the design phase through development and deployment. Outcome would be lower development rework and robust security posture for every application.
- Secure Code Reviews (manual & automated)
- Static & Dynamic Application Security Testing (SAST/DAST)
- Software Composition Analysis (SCA)
- Secure Development Lifecycle (SDLC) advisory
Penetration Testing (Pentest)
We simulate real-world cyberattacks to uncover critical vulnerabilities across your digital assets. Outcome would be actionable insights and hardened defences before attacker’s strike.
- Web applications, mobile apps, and APIs
- Cloud configurations and networks
- Internal systems and physical access
- Employee awareness via social engineering
Compliance & Risk Management
We guide you in meeting the most demanding cybersecurity and privacy regulations, both local and global. Outcome would be stress-free audits and a compliant-by-default culture.
- DPDPA, CERT-IN, GDPR, HIPAA, ISO27001, PCI-DSS
- Risk assessments and internal audits
- Data classification and governance mapping
- Policy frameworks (NIST, HITRUST, COBIT)
Cyber Playbooks & Tabletop Exercises
We build and test your Incident Response (IR) plans through simulation-based training. Outcome would be, Your teams are prepared, confident, and aligned during a real cyber event.
- Customized cyber crisis playbooks
- Executive and stakeholder training
- Role-based scenario simulations
- Post-exercise review and refinement
Red, Blue & Purple Teaming
We evaluate your ability to detect and respond to advanced threats through simulated adversary engagements. Outcome would be, Better coordination between defence (Blue) and offense (Red), resulting in enhanced readiness (Purple).
- Advanced Persistent Threats (APT)
- Lateral movement and privilege escalation
- MITRE ATT&CK framework alignment
IoT, Embedded & Industrial Security
We secure your connected devices, sensors, and embedded systems, from firmware to field operations. Outcome would be reliable, secure, and future-proofed connected ecosystems.
- Secure Boot and Firmware Validation
- SBOM compliance and OTA update protection
- Industrial Control Systems (ICS) and SCADA
- Threat modelling and cryptographic reviews
AI/ML Security
We protect your AI and machine learning systems from exploitation and manipulation. Outcome would be responsible AI adoption with trusted and secure ML models.
- Model extraction, inversion, and data poisoning
- Fuzzing for adversarial inputs
- Bias audits and fairness validation
- Pipeline integrity and model explainability
Telecom & 5G Infrastructure Security
We secure telecom core and RAN components in 4G/5G environments. Outcome would be secure and resilient telecom networks, ready for scale.
- Signalling protocol testing (S1/X2/Xn, NG-RAN)
- Rogue base station simulation
- EPS & 5G-AKA authentication checks
- NESAS, 3GPP, GSMA compliance audits
Hardware & OT Security
We safeguard mission-critical hardware systems from physical and cyber exploitation. Outcome would be resilience across industrial, critical, and national infrastructure.
- Side-channel and electromagnetic attacks
- Reverse engineering and hardware fuzzing
- Secure firmware design and industrial network defence
Automotive Cybersecurity
We protect modern vehicles, ECUs, and control systems from rising cyber threats. Outcome would be safer connected mobility and future-ready vehicles.
- ECU firmware analysis
- CAN Bus security and fuzzing
- Vehicle network penetration testing
- AUTOSAR compliance consulting
Privacy Engineering & Governance
We integrate privacy as a core principle in your system design and workflows. Outcome would be user trust and compliance with global data protection laws.
- Privacy Impact Assessments (PIAs/DPIAs)
- Consent and preference management
- Data minimization and anonymization
- Differential privacy and PETs
vCISO (Virtual CISO) Services
Get executive-level cybersecurity leadership without hiring full-time. Outcome would be alignment between cybersecurity, business objectives, and stakeholder trust.
- Strategic security roadmap
- Risk and compliance oversight
- Policy creation and vendor audits
- Board-level reporting and communication
Cloud & Container Security
Secure your cloud-native, multi-cloud, and container-based environments. Outcome would be confident, secure cloud deployments from development to production.
- Kubernetes and Docker hardening
- Image scanning and vulnerability patching
- IAM, RBAC, and zero-trust posture management
- CI/CD pipeline integration and runtime protection
Our People
The Human Firewall Behind FourthSquare
At the heart of FourthSquare is a diverse, highly certified, and passionate cybersecurity team. We bring together red teamers, cloud experts, compliance specialists, and forensic analysts, each driven by a mission to protect, enable, and empower.
- 20+ years of combined cyber experience across sectors
- Certifications: CISSP, OSCP, CEH, CCSP, CISA, ISO 27001 LA, DFIR, Cloud Security
- Cross-functional: SOC design, privacy, threat intel, GRC, AI security
- Worked with Fortune 500s, governments, startups, and critical infrastructure
Why Choose FourthSquare?
Expertise you can measure. Trust you can feel.
End‑to‑End Expertise
From strategy to SOC run—one accountable partner.
Compliance Mastery
DPDPA, CERT‑IN, GDPR, HIPAA, PCI‑DSS & more.
Certified Practitioners
Hands‑on experts who’ve shipped secure outcomes.
Agile Delivery
Right‑sized for startups to large enterprises.
Trusted Across Sectors
Government, BFSI, Healthcare, Energy & Tech.
Let’s Start the
Conversation
Secure your organisation from evolving threats
Our team typically responds within 24 hours