OSA/Enterprise Cybersecurity · 20+ Years of Experience
Trusted by Governments · BFSI · Critical Infrastructure
20+ Years Experience

We work with leaders to make confident security & compliance decisions.

Open Security Alliance LLP — practical, pragmatic cybersecurity, GRC and assurance advisory for boards, regulators and operators.

ISO 27001SOC 2 Type IICERT-In empanelledCRESTCMMC
I
20+
Years of experience
II
100+
Enterprise clients
III
1,000's
Cybersecurity engagements
IV
50
Certified specialists
BANKDEFENCENATIONAL SECURITYLAW ENFORCEMENTPUBLIC SECTOR ENTERPRISESITCLOUD PROVIDERSBANKDEFENCENATIONAL SECURITYLAW ENFORCEMENTPUBLIC SECTOR ENTERPRISESITCLOUD PROVIDERS
Why clients choose us

Knowledge over
brand names.

Our clients are smart — they don't hire a brand name or logo. They hire us for our knowledge, honest, pragmatic and practical advisory services.

We remain accountable long after project completion.

Having worked on both sides of the table, we understand business, security and regulation.

Our experience spans Government, Defence, BFSI, Critical Infrastructure and Enterprise environments.

Implementers

20+ years implementing and auditing standards and regulations.

Auditors

Internal, External and Regulatory audits delivered by experienced professionals.

Regulators

Domestic and International compliance expertise.

Advisors

Practical business-focused cybersecurity guidance.

Incident Responders

Response coordination and legal support.

Board Presenters

Executive reporting for Boards and leadership teams.

About the alliance

Compliance and Security stakes are high — experience and trust matters.

Open Security Alliance LLP brings together a team of Cybersecurity, Governance, Risk & Compliance professionals delivering trusted assurance services. Our experts have spent decades securing enterprises, advising Boards, supporting regulatory obligations, and building resilient organizations.

Not just technology.

Not just compliance.

Trusted judgement when it matters most.

For 20+ years, organizations have trusted us to secure critical infrastructure, satisfy regulators, prepare for audits, and respond to emerging threats. We build cyber resilience beyond compliance.

20+ years of enterprise cybersecurity experience
Vendor-neutral, outcomes-led advisory
Government, Defence & BFSI credentials
24×7 monitoring, response and support
Certified consultants and cleared operators
Board-ready quarterly reporting
Our Mission · Nurturing the Cybersecurity Edge

Nurturing the cybersecurity edge.

Our mission is to provide cutting-edge cybersecurity solutions that empower organizations to safeguard digital assets, ensure regulatory compliance, and build a lasting culture of cybersecurity awareness — from the boardroom to the operator.

M/01

Empowering Organizations

Delivering practical, pragmatic cybersecurity solutions that strengthen resilience against evolving cyber threats — measurable at the board, operational at the SOC.

M/02

Driving Compliance Excellence

Enabling organizations to achieve and sustain ISO 27001, RBI, CERT-In, PCI DSS, HIPAA, GDPR and SOC 2 compliance while maintaining secure, uninterrupted operations.

M/03

Promoting Security Awareness

Building a strong security culture through structured awareness programs, executive workshops, phishing simulations and professional cybersecurity training.

M/04

Future-Ready Innovation

Adopting AI-powered cybersecurity, cloud-native defense, Zero Trust Architecture and modern threat intelligence to protect organizations against tomorrow's adversaries.

M/05

Continuous Threat Intelligence

Curating actionable adversary intelligence, dark-web telemetry and vulnerability signals to keep client defenses ahead of active campaigns.

M/06

Trust, Independence & Integrity

Operating as a vendor-neutral alliance — advice guided by outcomes, evidence and long-term client interest, never by product incentive.

Services · Full spectrum

A single accountable partner
across the security lifecycle.

From boardroom advisory to 3 a.m. incident response — one team, one methodology, one line of accountability.

Capability statement
S/01

Cyber Security

End-to-end enterprise cybersecurity engineered to defend against ransomware, phishing, malware, insider abuse, cloud-native attacks, business email compromise, and advanced persistent threats — with 24×7 monitoring and response calibrated to your risk surface.

  • Threat detection & response
  • Endpoint & network defense
  • Zero-trust architecture
Explore capability
S/02

Compliance Security

Regulatory and standards-based compliance delivered end-to-end: ISO/IEC 27001, RBI cybersecurity guidelines, CERT-In directions, PCI DSS, HIPAA, GDPR, SOC 2 Type II, and industry-specific mandates — with continuous evidence and audit readiness.

  • Framework mapping & gap analysis
  • Policy & control design
  • Continuous audit readiness
Explore capability
S/03

Security Re-Engineering

Deep architectural assessment of existing infrastructure to identify security gaps, retire legacy risk, and redesign resilient, defensible architectures — strengthening the enterprise security posture without disrupting operations.

  • Architecture review
  • Legacy risk retirement
  • Zero-trust redesign
Explore capability
S/04

Awareness & Training

Human-layer defense through structured employee awareness programs, executive security workshops, phishing simulations, professional certification guidance, and role-based cybersecurity education that builds a durable security culture.

  • Phishing simulations
  • Executive workshops
  • Certification pathways
Explore capability
S/05

Email Security

Comprehensive protection for email — the number-one attack vector — against phishing, spoofing, ransomware payloads, malware, spam, business email compromise (BEC), account takeover, and targeted social engineering.

  • Anti-phishing & DMARC
  • BEC & impersonation defense
  • Email DLP
Explore capability
S/06

Cloud Security

Secure adoption and operations across AWS, Microsoft Azure, Google Cloud, Microsoft 365, cloud workloads, cloud identities, Kubernetes and containerized environments — with CSPM, CIEM, workload protection and secure DevSecOps pipelines.

  • AWS · Azure · GCP · M365
  • CSPM & CIEM
  • Container & Kubernetes security
Explore capability
S/07

Virtual CISO (vCISO)

Strategic cybersecurity leadership on demand — governance, risk management, compliance oversight, policy development, board-level advisory, and cyber program stewardship led by seasoned CISOs.

  • Cyber strategy & governance
  • Policy & risk management
  • Board & executive advisory
Explore capability
S/08

SIEM / SOAR

Advanced threat monitoring, security analytics, automated detection, orchestration and incident response — engineered on modern SIEM/SOAR platforms with tuned use-cases, playbooks and 24×7 SOC coverage.

  • SIEM engineering
  • SOAR playbooks
  • 24×7 SOC monitoring
Explore capability
S/09

Vulnerability Assessment

Systematic identification, prioritization and remediation of security weaknesses across infrastructure, applications, cloud and endpoints — before adversaries can exploit them.

  • Infrastructure & application VA
  • Prioritized remediation
  • Continuous scanning
Explore capability
S/10

Penetration Testing

Adversary-emulated penetration testing simulating real-world attack chains against networks, web and mobile applications, APIs, cloud tenants and wireless — measuring true organizational resilience.

  • Network & app pentest
  • API & mobile testing
  • Red team & purple team
Explore capability
S/11

RBI PAPG Compliance

Specialist consulting for RBI's Payment Aggregators & Payment Gateways (PAPG) guidelines — enabling authorized entities to achieve, evidence and sustain compliance across information security, cyber resilience, audit and data-localization requirements.

  • PAPG readiness assessment
  • Control implementation
  • Audit & renewal support
Explore capability
How we work

The Open Security Alliance Method.

A structured, repeatable delivery methodology — pragmatic on day one, measurable at every stage.

  1. Step 01

    Discover

    Collaborative discovery of business objectives, threat exposure, regulatory posture and stakeholder priorities.

  2. Step 02

    Assess

    Deep evaluation of risk, controls, architecture and compliance obligations against current threat intelligence.

  3. Step 03

    Prioritize

    Risk-ranked roadmap aligned to business outcomes, budget and regulatory deadlines — reviewed by leadership.

  4. Step 04

    Implement

    Structured deployment with minimal business disruption, hardened baselines and internal knowledge transfer.

  5. Step 05

    Audit & Assure

    Independent audit, evidence collection and assurance reports mapped to standards and regulator expectations.

  6. Step 06

    Improve

    Continuous tuning of controls, detections and processes — measurable posture improvement against defined KPIs.

  7. Step 07

    Post Delivery Support

    Retained advisory, quarterly reviews, incident coordination and long-term stewardship of the program.

Explore All Services

Dedicated pages for every capability.

Deep-dive service pages with methodology, sub-services, deliverables and related resources.

ISO 27001 Services

End-to-end ISO/IEC 27001:2022 advisory — from gap assessment to certification audit — delivered by lead auditors with 25+ years of ISMS experience across banks, NBFCs, healthcare and public sector.

Learn more

Cyber Security Services

Build, run and mature an enterprise-grade cyber programme — from strategy and architecture to 24×7 detection and response.

Learn more

Regulatory Compliance

Deep expertise across Indian and global regulators — RBI, SEBI, IRDAI, DPDP, CERT-In, PCI DSS, HIPAA, GDPR, NIST and COBIT.

Learn more

Security Awareness

Behaviour-change awareness programmes — not just annual e-learning. Executive briefings, phishing simulations and gamified content proven at Fortune 500 scale.

Learn more

Cloud Security

Secure your cloud journey — from landing-zone design to multi-cloud posture management and workload protection.

Learn more

Email Security

Stop phishing, BEC and impersonation at the gateway and in the mailbox — for Microsoft 365, Google Workspace and hybrid mail estates.

Learn more

Governance, Risk & Compliance

Integrated GRC advisory — from board-level governance to third-party risk and continuous control assurance.

Learn more

VAPT & Application Security

Manual-led, exploit-verified vulnerability assessment and penetration testing across web, mobile, API, network and cloud.

Learn more

Training & Certifications

Instructor-led training and certification prep across ISO, cyber, cloud, RBI, SEBI and DPDP — for practitioners and executives.

Learn more

Tools & Assessments

Fast, expert-designed self-assessment tools to benchmark your posture — before you engage on a full programme.

Learn more

Industries We Serve

Sector-specific cybersecurity for regulated and mission-critical industries — with playbooks tuned to each vertical's threats and regulators.

Learn more

Clients & Case Studies

25+ years of measurable outcomes across BFSI, government, healthcare and Fortune 500 organisations.

Learn more

About Us

Open Security Alliance LLP — a pragmatic enterprise cybersecurity firm serving regulated industries for over two decades.

Learn more

Contact Us

Reach a senior consultant within one business day — for consultations, RFPs, incident response and support.

Learn more
Our Products

Purpose-built platforms
for cyber resilience.

Software products engineered by Open Security Alliance to operationalize cybersecurity learning, business intelligence and enterprise risk management — trusted across regulated industries.

Request product briefing
CSQNA — Cyber Security Questions 'N' Answers
P/01 · Learning · AssessmentAVAILABLE

CSQNA

Cyber Security Questions 'N' Answers

Assess and sharpen your cybersecurity skills with CSQNA — an interactive learning and assessment platform featuring an AI-guided knowledge engine, competency scoring, adaptive question banks and role-based cyber assessments.

  • 7,000+ multiple-choice questions across every cybersecurity domain
  • Build unlimited CISSP, CISA and custom practice tests
  • Explanation notes for correct and incorrect answers
  • Personalized skill analytics — free public resource
Explore product
IndiaWatch — Your Gateway to Indian Business Intelligence
P/02 · Business · IntelligenceAVAILABLE

IndiaWatch

Your Gateway to Indian Business Intelligence

A curated business intelligence platform delivering real-time business news, sectoral analytics, city-level listings, stock updates and market research for entrepreneurs, professionals and investors.

  • Live stocks, listings and market briefings
  • City-indexed business directory and search
  • Executive news, articles and sector research
  • Investor and enterprise-grade insights
Explore product
EzRisk — AI-powered enterprise risk & compliance
P/03 · Risk · AIAVAILABLE

EzRisk

AI-powered enterprise risk & compliance

EzRisk unifies Standards, Regulation, Policy, Law, Requirements and Rules into a single risk fabric — helping organizations identify, assess, monitor and mitigate cybersecurity, operational and regulatory risk.

  • ISO 27001, RBI, CERT-In, HIPAA, GDPR, SOC 2 mapping
  • Continuous control monitoring and evidence vault
  • Predictive risk scoring and heat maps
  • Board-ready dashboards and audit trails
Explore product
Sentinel · Reference Dashboard
sentinel.opensecurity.com · overview
LIVE
Active alerts
12
-38% wk
Mean-time-to-detect
48s
P50
Contained (24h)
97.4%
SLA 99
Attack surface
2,481
assets
Detections · 24h
Contained Escalated
Top techniques (MITRE)
T1078 Valid Accounts
78
T1566 Phishing
62
T1110 Brute Force
44
T1059 Command & Scripting
31
Global exposure map
Industries we serve

Regulated. Critical.
High-consequence.

Sector-specialist practices led by consultants with prior operator seats inside each vertical — delivering security, compliance and resilience where the stakes are highest.

01
Healthcare
Hospitals, diagnostic networks, insurers and medical device makers.
  • EHR & PHI security
  • HIPAA & ABDM compliance
  • Medical device security
  • Identity & access management
02
Finance
Capital markets, insurance, asset managers and fintech.
  • SEBI & IRDAI alignment
  • Fraud & AML controls
  • Payments security
  • Data-loss prevention
03
Banking
Scheduled commercial, cooperative and payments banks.
  • RBI cybersecurity framework
  • Core banking security
  • SWIFT CSP compliance
  • ATM & channel security
04
NBFC
Lending, wealth and payment NBFCs of every scale.
  • RBI IT framework for NBFCs
  • Digital lending guideline compliance
  • Data protection & DPDP
  • Application security
05
Government
Central, state and municipal bodies and law enforcement.
  • CERT-In compliance & reporting
  • Sovereign data protection
  • OT / SCADA security
  • Cyber crisis exercises
06
Public Sector
PSUs, defence undertakings and national infrastructure operators.
  • ISO 27001 & CERT-In
  • OT/IT convergence security
  • Vendor & supply-chain risk
  • Insider threat defense
07
Information Technology
SaaS, ITeS, product engineering and IT services firms.
  • Secure SDLC & DevSecOps
  • Application & API security
  • Client compliance (SOC 2, ISO)
  • Source-code protection
08
Cloud Services
Cloud-native operators, MSPs and platform providers.
  • Multi-cloud posture (CSPM)
  • Cloud identity (CIEM)
  • Kubernetes & container security
  • Zero-trust cloud architecture
09
Education
Universities, edtech and research institutions.
  • Student & research data protection
  • Campus network security
  • Cyber awareness programs
  • Compliance for research grants
10
Manufacturing
Discrete, process and hi-tech manufacturing at scale.
  • OT / ICS security
  • IEC 62443 alignment
  • Ransomware resilience
  • IP & trade-secret protection
11
E-Commerce
Retail platforms, marketplaces and D2C brands.
  • PCI DSS compliance
  • Payments & checkout security
  • Customer data protection
  • Bot & fraud defense
12
Critical Infrastructure
Energy, utilities, transport, telecom and defence supply.
  • NCIIPC alignment
  • OT/SCADA/ICS defense
  • Cyber-physical resilience
  • Nation-state threat response
Compliance & Regulations Hub

Your trusted compliance advisory partner across every regulated frontier.

Deep expertise across Indian mandates (RBI, SEBI CSCRF, DPDP, CERT-In) and global frameworks (ISO 27001, PCI DSS, HIPAA, GDPR, SOC 2, NIST CSF 2.0). Explore each framework — from applicability to control mapping and audit readiness.

Explore Compliance Hub
Engagement Models

Work with us the way your program needs

Three commercial models, one delivery standard. Choose the shape that fits your budget cycle, maturity and risk appetite.

Fixed Price

Project-based Engagement

Defined scope, deliverables and timelines — ideal for assessments, audits, ISO 27001 implementations and one-off VAPT.

  • Fixed cost, fixed outcomes
  • Structured milestones
  • Predictable budgeting
Discuss engagement
Retainer

Advisory Retainer

On-demand access to senior consultants and vCISO leadership across compliance, risk and program governance.

  • Monthly advisory hours
  • Board-ready reporting
  • Continuous guidance
Discuss engagement
Managed

Managed Security Services

24×7 SOC, SIEM, EDR, VAPT-as-a-service and continuous compliance monitoring — operated by our team.

  • 24×7 SOC coverage
  • Continuous monitoring
  • SLA-backed response
Discuss engagement
Technology Partners

An ecosystem of best-in-class security platforms

Vendor-neutral by design. We engineer, tune and operate the platforms our clients standardize on — and recommend based on fit, not incentive.

Microsoft Security
Defender · Sentinel · Purview · Entra
AWS Security
GuardDuty · Security Hub · Macie · KMS
Google Cloud
SCC · Chronicle · BeyondCorp
Palo Alto Networks
Prisma Cloud · Cortex XDR/XSOAR
CrowdStrike
Falcon EDR · Identity · Threat Graph
Splunk
Enterprise Security · SOAR · UBA
Tenable
Nessus · Tenable.io · Tenable.ot
Okta / Ping
Identity · SSO · MFA · Privileged access
Trust & Assurance

Why enterprises trust the Alliance

Every engagement carries the same discipline — certified people, proven methodology, and evidence you can put in front of a regulator.

Certified Experts

CISSP · CISA · CISM · CEH · ISO 27001 LA/LI · OSCP

Confidentiality Assured

NDA-first engagements with strict data-handling protocols.

Proven Methodologies

NIST, ISO, OWASP, MITRE ATT&CK aligned delivery.

Global Best Practices

Frameworks refined across BFSI, Gov and Fortune 500.

Compliance Aligned

RBI · SEBI · IRDAI · DPDP · CERT-In · GDPR · HIPAA.

Independent & Vendor-Neutral

Advice guided by outcomes, never by product incentive.

Recognition & Awards

Recognised where it matters

Top Cybersecurity Consulting Firm

Recognised across BFSI and Government engagements.

CISO's Choice — Advisory Partner

Ranked among trusted vCISO providers in India.

Excellence in Compliance Delivery

Consistently cited by auditors and regulators.

Zero Reportable Breach Record

Across managed engagements over 25+ years.

Security Newsroom

Press releases & media coverage

View archive
Press ReleaseMar 2026

Open Security Alliance expands vCISO practice across Middle East

New regional advisory desk supports BFSI and Government mandates across the GCC.

Media CoverageFeb 2026

OSA cited on RBI PAPG readiness in national business media

Alliance experts featured on payment aggregator compliance trajectory.

AnnouncementJan 2026

EzRisk enters private preview with launch partners

AI-driven risk & compliance platform onboarding first cohort of enterprises.

Open Security Alliance rebuilt our detection stack in a quarter. Mean-time-to-respond dropped from hours to minutes — and our regulator noticed.
Chief Information Security OfficerScheduled Commercial Bank
A rare partner that speaks both the boardroom and the SOC. Their compliance assessment is the reference our auditors now cite.
VP, Risk & ComplianceNational Healthcare Network
Clients

Trusted across regulated and mission-critical sectors

Client names remain confidential under NDA. Sector representation shown.

Scheduled Commercial Banks
Fortune 500 Enterprises
Government of India Bodies
National Healthcare Networks
Payments & Fintech
Global Manufacturing
Defence & Public Sector
Critical Infrastructure
FAQs

Frequently asked questions

Six answers most enterprises want before they engage. For anything specific to your program, our advisory desk responds within one business day.

Ask us anything
Contact

Speak with a
senior cybersecurity advisor.

Every discovery call is led by a senior consultant, not a sales team. Expect a response within one business day; incident line answered in under 60 seconds.

India HQ
Mumbai
IST (GMT+5:30) · 19.0760° N
24/7 Incident Line
+91 91372 73947
Advisory
osa.internet@opensecurityalliance.org
Request Consultation
Encrypted in transit

Submissions are encrypted in transit and reviewed by our advisory team only. For active incidents, call the 24/7 line.