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4.7/5
Based on 463 client reviews
John M.

Bengaluru, India

$34/hr
5.0
47 jobs

๐Ÿ”ข As an Upwork Top 1% Expert Vetted ๐Ÿ‘‘ Certified Ethical Hacker and an Experienced Penetration Tester with 10+ years of experience Penetration Testing Web SaaS and Mobile based applications and networks, every flaw tells a story; I write the ending and specialize in helping my clients strengthen their cybersecurity defenses. An average Cybersecurity Incident in your business can you cost you anywhere between $120,000+ to $1.24+ million and even a 10%+ reduction in risk can save your business nearly $124,000+ and hiring a full time in-house team can cost you $100,000+ per employee per year. That is why you need an expert like me to protect your business and reduce your business risk. What makes me stand out from other freelancers is the fact that I am also a Cybersecurity Architect, capable of architecting solutions to enhance the security of your organisation and preserving the security and integrity of your data. I have always been passionate about solving technical problems for my clients through Penetration Testing and I don't rest till I get to the root of the problem and solve it. What I can offer? I can help you secure your business by providing the following services: โœ… Web Application Penetration Testing, โœ… Secure Source Code Analysis, โœ… Mobile Application Penetration Testing, โœ… Network Penetration Testing, โœ… Secure Architecture Review, โœ… API Security Testing, ย ย  โœ… Secure Configuration Review, โœ… Secure Code Review, โœ… CASA Assessment, โœ… Red Team Assessment, โœ… Threat Modelling, โœ… Phishing Simulations & Assessment. Why Choose Me? ๐Ÿง‘๐Ÿผโ€๐Ÿ’ผ Client-Centric Approach: Your security is my top priority. I work closely with your team to understand your objectives and deliver tailored services that align with your business goals. Trust and transparency are the cornerstones of my practice, and I am committed to helping you navigate the complex landscape of cybersecurity with confidence and achieve compliance. ๐Ÿ“ Comprehensive Security Assessments: I conduct detailed SOC Type 2 / ISO compliant evaluations to identify vulnerabilities in your network, applications, and infrastructure. โœ‚๏ธ Tailored Solutions: Every organization is unique. I customize my approach to meet your specific security needs and industry standards. ๐ŸŽฌ Actionable Recommendations: Post-assessment, I provide clear, concise, and practical remediation steps to address identified vulnerabilities. ๐Ÿ” Ongoing Support: Cybersecurity is an ongoing process. I offer continuous support and re-assessment to ensure your defenses remain robust against evolving threats ๐ŸŒ Holistic Approach: I don't just patch vulnerabilities; I architect comprehensive security solutions that align with business goals. My focus extends beyond the technical to encompass risk management and organizational resilience. ๐Ÿ—จ๏ธ Collaborative Communicator: I bridge the gap between technical jargon and business language, fostering understanding across teams. Effective communication is key to successful security implementation. ๐Ÿซ Continuous Learning: The threat landscape evolves, and so do I. Whether it's a new attack vector or an emerging technology, count me in. Learning is my superpower. ๐Ÿ™‹โ€โ™‚๏ธ Key Skills: โœ”๏ธ Penetration Testing & Vulnerability Assessment: I thrive on dissecting systems, identifying weaknesses, and recommending robust solutions. Armed with tools like Kali Linux, Metasploit, Nmap, and Wireshark, I delve into web applications, networks, and APIs. But here's the twistโ€”I don't stop at discovery; I offer a free retest after remediation to ensure vulnerabilities stay sealed. โœ”๏ธ Network Security: I've designed and implemented secure network architectures, ensuring data confidentiality, integrity, and availability. Firewalls, intrusion detection systems, and VPNsโ€”my toolkit covers it all. โœ”๏ธ Cloud Security: Proficient in securing cloud environments especially Amazon Web Services (AWS) & Oracle Cloud Infrastructure (OCI). I stress-test cloud deployments ensuring they withstand real-world attacks. โœ”๏ธ Secure Coding Practices: I advocate for secure coding principles using tools like SonarQube and collaborate with development teams to build resilient applications. Prevention beats cure, every time. โ›๏ธTools I Use โ˜‘๏ธ Penetration Testing: Nmap, Metasploit, Burp Suite Professional, Wireshark, SQLmap, Kali Linux โ˜‘๏ธ Programming & Scripting Skills: Python, Bash, PowerShell, JavaScript, Java and C# โ˜‘๏ธ Security Frameworks & Standards: OWASP, NIST, CASA, CIA Triad, PCI-DSS ๐Ÿซฑ๐Ÿฝโ€๐Ÿซฒ๐Ÿฝ Let's Connect: Ready to enhance your business/organization's security? Let's chat! Reach out to me here on Upwork, and let's build a safer digital future together. ๐ŸŸข Press '...' button and then โ€˜Send Messageโ€™ button in the top right-hand corner โœ‰๏ธ ๐Ÿšซ No hacking service - I do not provide any hacking services, and I will not engage in any activities that involve gaining unauthorized access to any accounts, systems, or social media platforms. Requests for such services will be declined.

Gary R P.

Brooklyn, Ohio

$275/hr
5.0
40 jobs

With our roots in HIPAA consulting for the last 25 years we have served over 1,000 clients. Clients include tech startups, hospitals, physicians, other health providers, insurers, third party administrators, and more. Services include security risk assessments, virtual Privacy/Security Officer, policies and procedures, vulnerability management, HIPAA training, disaster recovery / incident response / business continuity planning, tabletop exercises, and more. Other strengths include SOC 2 and ISO 27001 readiness, NIST CSF and HITRUST. Regulatory compliance strengths include GDPR, EU-US Data Privacy Framework, Virtual Data Protection Officer, 42 CFR Part 2, GxP, FERPA, IDEA, and state privacy regulations. We are Vanta partners.

Muhammad R.

Islamabad, Pakistan

$40/hr
4.8
13 jobs

Hey! CEOs, Founders, Consultants, Community Builders, and Business Owners, I run Triox Cyber Security and lead cybersecurity at AC Group and AMIRA (almost human) in Germany. I'm also a security engineer at Tap Payments. Certified penetration tester (CPTS) with 7 years testing systems and building defenses. Red team: I test web apps, mobile, cloud, wireless, and networks. I find what actually breaks under attack. Blue team: I build SIEM setups (Splunk), XDR, honeypots, IDS/IPS, firewalls, and WAF. Log monitoring is where you catch threats before they cause damage. I work across fintech, enterprise, and tech companies. I'll show you what you're actually exposed to.

Nandy B.

Lehigh County, Pennsylvania

$85/hr
5.0
280 jobs

๐Ÿ—ฝ U.S. and ๐Ÿ Canada -only clients โ˜‘๏ธ Upwork Expert-Vetted ๐ŸŒŸ | 100% Job Success โœ… | 10,000+ hours ๐Ÿ’ป on 200+ projects Hi there! ๐Ÿ‘‹ Iโ€™m an Upwork veteran with over 10,000 hours delivered, 200+ successful projects, and $1M+ earned helping U.S. companies secure and scale their cloud and hybrid environments. โ˜๏ธ I specialize in Azure, Microsoft 365, and security-focused systems โ€” delivering: โ€ข Secure infrastructure using Zero Trust, IaC (Terraform/Bicep), and DevSecOps pipelines โ€ข Incident response, forensics, and breach containment across regulated industries โ€ข Compliance-ready solutions aligned to SOC 2, HIPAA, ISO 27001, and NIST 800-53 As a certified consultant, I work directly with technical teams to deliver secure cloud transformation, implement controls, and respond to threats โ€” fast. I also collaborate with Microsoftโ€™s internal dev teams, giving me early-access insights and practical fixes 3โ€“4 release cycles ahead of public rollout. Why Choose Me? โœ… $1M+ in security projects delivered across healthcare, fintech, crypto, and gov sectors ๐Ÿ” Architected Azure landing zones, GitOps pipelines, and zero trust cloud environments ๐Ÿšจ Led incident response and forensic investigations for Fortune 500 and defense clients ๐Ÿ“Š Built compliance workflows and policy-as-code enforcement for audit success ๐Ÿช™ Secured crypto CI/CD pipelines and smart contract environments with GitHub, Checkov, GHAS ๐Ÿง  Career Highlights: โ–ช Delivered security modernization and audit readiness for global government contractors and Fortune 500 companies โ–ช Led compliance remediation and data protection initiatives across healthcare, fintech, and public sector clients โ–ช Migrated global users to Microsoft 365 with security-first design โ€” Exchange, Purview, Intune, Defender โ–ช Built hybrid identity strategies (Entra ID, ADFS, GoDaddy 365, Azure AD B2C, custom policy support) โ–ช Managed VMware-to-Azure hardening with conditional access, audit enforcement, and security baselines ๐Ÿ”ง Solutions I Deliver: โ€ข Azure Infra Security: Terraform, Bicep, Azure Policy, RBAC, Defender for Cloud โ€ข DevSecOps: GitHub Actions, tfsec, Checkov, Trivy, GHAS, pipeline reviews โ€ข Microsoft 365 Hardening: Defender, Purview, Compliance Center, Intune, Exchange โ€ข Compliance & Audits: SOC 2, ISO 27001, HIPAA, GDPR, NIST, CIS Benchmarks โ€ข Incident Response & Forensics: Malware analysis, reverse engineering, breach recovery โ€ข Crypto Security: CI/CD for smart contracts, wallet infra hardening, Web3 audits โ€ข Reverse-engineered malware to identify attack vectors and harden systems post-breach โ€ข Hardened Microsoft Exchange Online and Defender for Email in phishing-prone orgs โ€ข Integrated Azure Sentinel analytics with dashboards for cross-cloud visibility ๐Ÿค Retainer & Advisory Support: โ€ข Ongoing guidance for CISOs, security architects, and compliance teams โ€ข Monthly retainers for SOC 2 evidence collection, security tool reviews, and policy automation โ€ข Rapid-response engagements for forensics, malware recovery, and breach root cause analysis ๐Ÿงฐ Platforms & Tools: โ€ข Azure, Microsoft 365, Azure Sentinel, Microsoft Defender (all modules), Intune โ€ข Terraform, Bicep, GitHub, Azure DevOps, GitOps, GHAS โ€ข Splunk, FTK, EnCase, Wireshark, Autopsy, Cisco ASA/Firepower โ€ข Checkov, Trivy, Aqua Security, smart contract security tooling โ€ข Compliance: SOC 2, HIPAA, ISO 27001, CIS, NIST, GDPR ๐Ÿ“… Letโ€™s set up a free 30-minute consultation to explore how I can help you with security transformation, compliance readiness, or urgent recovery โ€” no fluff, just fast, proven results. I bring the calm in chaos โ€” whether you're planning secure growth or cleaning up after a breach, Iโ€™ll steady the course and deliver results. ๐Ÿ“Œ Helped a fintech client pass SOC 2 in under 60 days ๐Ÿ“Œ Responded to ransomware, restored 95% of systems in 48 hours ๐Ÿ“Œ Hardened crypto wallet infra securing $100M+ in assets Thanks again for stopping by. You can invite me to your job post or simply send a message to arrange a quick discovery call โ€” I respond fast, and weโ€™ll keep everything inside Upwork. โ€” Nandy Bo ๐Ÿ—ฃ๏ธโ ๐™„๐™ฉ ๐™๐™–๐™จ ๐™—๐™š๐™š๐™ฃ ๐™– ๐™ฅ๐™ก๐™š๐™–๐™จ๐™ช๐™ง๐™š ๐™ฉ๐™ค ๐™ฌ๐™ค๐™ง๐™  ๐™ฌ๐™ž๐™ฉ๐™ ๐™‰๐™–๐™ฃ๐™™๐™ฎ ๐™™๐™ช๐™ง๐™ž๐™ฃ๐™œ ๐™ฉ๐™๐™š ๐™ฉ๐™ง๐™–๐™ฃ๐™จ๐™ž๐™ฉ๐™ž๐™ค๐™ฃ ๐™ค๐™› ๐˜พ๐™–๐™ก๐™ก๐™˜๐™ค๐™ข. ๐™‰๐™–๐™ฃ๐™™๐™ฎ ๐™ž๐™จ ๐™ซ๐™š๐™ง๐™ฎ ๐™œ๐™š๐™ฃ๐™ช๐™ž๐™ฃ๐™š, ๐™๐™ค๐™ฃ๐™š๐™จ๐™ฉ ๐™–๐™ฃ๐™™ ๐™๐™š๐™ก๐™ฅ๐™›๐™ช๐™ก ๐™ž๐™ฃ ๐™ฃ๐™–๐™ฉ๐™ช๐™ง๐™š. ๐™ƒ๐™š ๐™–๐™ก๐™จ๐™ค ๐™๐™–๐™จ ๐™– ๐™ซ๐™š๐™ง๐™ฎ ๐™ž๐™ฃ-๐™™๐™š๐™ฅ๐™ฉ๐™ ๐™ ๐™ฃ๐™ค๐™ฌ๐™ก๐™š๐™™๐™œ๐™š ๐™ค๐™› ๐™„๐™ ๐™ฌ๐™๐™ž๐™ก๐™š ๐™ข๐™–๐™ž๐™ฃ๐™ฉ๐™–๐™ž๐™ฃ๐™ž๐™ฃ๐™œ ๐™– ๐™ซ๐™š๐™ง๐™ฎ ๐™—๐™ง๐™ค๐™–๐™™ ๐™ฅ๐™ง๐™ค๐™—๐™ก๐™š๐™ข-๐™จ๐™ค๐™ก๐™ซ๐™ž๐™ฃ๐™œ ๐™ค๐™ช๐™ฉ๐™ก๐™ค๐™ค๐™ . ๐™๐™๐™š๐™จ๐™š ๐™›๐™š๐™–๐™ฉ๐™ช๐™ง๐™š๐™จ ๐™ข๐™–๐™ ๐™š ๐™๐™ž๐™ข ๐™ฃ๐™ค๐™ฉ ๐™ค๐™ฃ๐™ก๐™ฎ ๐™– ๐™ฅ๐™ก๐™š๐™–๐™จ๐™ช๐™ง๐™š ๐™ฉ๐™ค ๐™ฌ๐™ค๐™ง๐™  ๐™ฌ๐™ž๐™ฉ๐™ ๐™—๐™ช๐™ฉ ๐™–๐™ก๐™จ๐™ค ๐™ซ๐™š๐™ง๐™ฎ ๐™ž๐™ฃ๐™จ๐™ฅ๐™ž๐™ง๐™–๐™ฉ๐™ž๐™ค๐™ฃ๐™–๐™ก. โž โ€” ๐™…๐™ค๐™ง๐™™๐™ค๐™ฃ ๐˜ฝ๐™ž๐™ก๐™ก - ๐™ˆ๐™–๐™ฃ๐™–๐™œ๐™ž๐™ฃ๐™œ ๐˜ฟ๐™ž๐™ง๐™š๐™˜๐™ฉ๐™ค๐™ง - ๐˜พ๐™–๐™ก๐™ก๐™˜๐™ค๐™ข ๐™„๐™ฃ๐™ฉ๐™š๐™ง๐™ฃ๐™–๐™ฉ๐™ž๐™ค๐™ฃ๐™–๐™ก

Prashant D.

Bengaluru, India

$55/hr
4.9
13 jobs

I help B2B SaaS and AI-first startups pass SOC 2, ISO 27001, and ISO 42001 audits and ship AI products without regulatory blockers, typically in 8โ€“12 weeks. โ˜‘๏ธ 5+ yrs in cybersecurity & GRC | โ˜‘๏ธ ISO 27001:2022 Lead Auditor + ISO 42001 (in progress) | โ˜‘๏ธ CEH v12 | โ˜‘๏ธ AWS & Azure Security Who I work with: Series A-C SaaS founders, fintech and healthtech CTOs, and AI product leads preparing for first compliance audits, enterprise procurement reviews, or EU AI Act readiness ahead of the August 2026 enforcement deadline. ๐Ÿค– AI Governance: ISO/IEC 42001 implementation, EU AI Act readiness (Annex III risk classification, Article 9 risk management documentation), NIST AI RMF mapping ๐Ÿ›ก๏ธ LLM & AI Security: OWASP LLM Top 10 assessments, prompt injection and jailbreak testing, AI red teaming for high-risk and GPAI systems โœ… SOC 2 & ISO 27001: Type I/II readiness, gap assessments, policy library, evidence collection (Drata/Vanta/Secureframe), auditor liaison โ˜๏ธ Cloud Security: AWS and Azure landing zone hardening, IAM, CSPM remediation, CIS benchmark audits ๐Ÿ” Penetration Testing: web app, API (REST/GraphQL), and cloud security assessments aligned with OWASP standards โ€ข Built ISO 42001 AI management system for an AI-first SaaS - first in their funding cohort to publish AI governance documentation โ€ข Delivered SOC 2 Type I readiness in 42 days for a B2B SaaS, unblocking enterprise procurement โ€ข Architected Azure cloud security assessment that closed 28 of 31 audit findings before fieldwork Why me: Unlike generalist consultants, I combine hands-on cloud and application security with audit-ready GRC documentation. You get one engagement, not three vendors stitched together. Available for 4-hour daily overlap with US Eastern Time. Message me with your framework, target audit date, and tech stack - I'll send a scoped proposal within 24 hours.

Ali K.

London, United Kingdom

$120/hr
5.0
60 jobs

UK-based Data Protection Officer (DPO) and Cybersecurity Advisor with 18+ yearsโ€™ experience advising startups, scale-ups, and regulated organisations across the UK, USA, EU, and international markets. I advise executive teams on data protection, cybersecurity, and regulatory readiness, ensuring organisations remain compliant, secure, and audit-ready without unnecessary complexity. My background includes work with global financial institutions such as UBS and Credit Suisse, alongside fast-growing SaaS, fintech, and health-tech companies. Engagements typically focus on reducing regulatory risk, strengthening trust with customers and partners, and enabling sustainable growth. CORE EXPERTISE Privacy & Data Protection โ€ข GDPR, UK GDPR, CCPA and international privacy frameworks โ€ข DPIAs, RoPAs, DSARs, special category data โ€ข Cross-border data transfers (SCCs, DPAs) โ€ข Privacy, Cookie and Terms & Conditions drafting Cybersecurity & Compliance โ€ข SOC 2 readiness, gap assessments and remediation โ€ข Practical risk assessments and incident response planning โ€ข Secure cloud and architecture advisory โ€ข Vendor risk management and due diligence Questionnaires & Audits โ€ข Client and investor security questionnaires โ€ข Compliance reviews and regulator-ready documentation Training โ€ข Clear, practical workshops for technical and non-technical teams WHO Iโ€™VE SUPPORTED โ€ข Enterprise & Regulated: UBS, Credit Suisse, SNCF โ€ข Health & Special Category Data: ICNARC, DoctorCertified โ€ข SaaS & Fintech: Tangible Markets, Thimsa, CrimsonSocial โ€ข USA Startups scaling into UK/EU markets CREDENTIALS โ€ข CISSP, CIPP/E โ€ข MSc Information Assurance (Norwich University, VT, USA) โ€ข Multi-sector experience across finance, health, SaaS and AI If you need practical, senior-level guidance on privacy and cybersecurity, not theory, letโ€™s talk.

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