Hire the Best Cryptographers
in Pakistan

Hi there! I'm Muhammad Shahid a cryptographer, cybersecurity specialist, and software developer with a strong mathematical foundation in complexity theory and algorithm design. I hold a master's degree in mathematics and a bachelor's degree in computer science, and I've spent several years applying my expertise to advanced research and real-world projects across both academia and industry. I specialize in: Cryptography & Security Protocols designing and implementing cryptographic algorithms, proofs, and secure systems. Blockchain & Decentralized Systems applying cryptographic primitives to smart contracts, consensus, and secure distributed applications. Software Development proficient in Python, C, Go, and MATLAB for cryptographic computation, data analysis, and system design. Algorithm Design & Analysis optimizing performance and reasoning rigorously about computational complexity. I'm a fast learner who thrives in collaborative environments and enjoys tackling intellectually challenging problems. My work focuses on precision, efficiency, and secure, elegant solutions grounded in solid mathematical reasoning. If your project involves cryptography, blockchain, security engineering, or complex algorithmic computation, I'd love to discuss how I can help bring your idea to life. Let's connect and build something exceptional.

I help organizations identify, validate, and remediate security weaknesses across applications, networks, and cryptographic implementations using practical, hands-on security testing and analysis. My work focuses on real attack paths, misconfigurations, and implementation flaws, not generic or copy-paste reports. 🔐 Core Security Services: • Cryptography Security Analysis Review of encryption algorithms, key management, hashing, randomness, cipher modes (AES, RSA, ECC, CBC/GCM), and detection of cryptographic misuse or weak implementations. • Penetration Testing Web, API, and network penetration testing using tools such as Nmap, Burp Suite, Metasploit, Nessus, Nikto, SQLmap, with manual validation of findings and clear exploitation evidence. • Source Code Security Review Manual and tool-assisted secure code review to identify OWASP Top 10, CWE issues, insecure logic, authentication flaws, and cryptographic weaknesses using Semgrep, SonarQube, SAST tools, and custom analysis. • Security Tools Review & Effectiveness Analysis Assessment of security tools including SAST, DAST, Vulnerability Scanners, EDR, SIEM, DAM, DLP, focusing on coverage gaps, configuration weaknesses, false positives, and tuning requirements. • Network & System Security Analysis Review of network design, segmentation, access controls, firewall rules, and trust boundaries to identify attack surfaces, lateral movement paths, and exposure risks. Deliverables include clear technical findings, risk-based prioritization, and actionable remediation steps that engineering and security teams can directly implement. 📩 If you need a deep technical security review driven by tools, evidence, and real risk, let’s discuss your scope.

Hello, I’m Alliyan, a Cyber Security Specialist with a strong interest in Artificial Intelligence and Machine Learning, as well as experience managing projects. With over four years in the industry, I offer a range of services to protect businesses from cyber threats and successfully manage cybersecurity and AI/ML projects. My services include: Cybersecurity Expertise: Vulnerability Assessments: Identifying weaknesses in your systems and providing solutions. Penetration Testing: Simulating cyberattacks to find security flaws in your networks and infrastructure. Security Audits: Conducting thorough checks to ensure compliance with industry standards. Risk Assessments: Identifying and prioritizing risks, along with actionable recommendations. Incident Response: Offering fast and effective responses to security breaches or cyber incidents. Security Awareness Training: Educating employees to recognize and prevent cyber threats. Regulatory Compliance: Ensuring adherence to standards like HIPAA, PCI DSS, GDPR, and more. Security Policy Development: Creating policies to protect your organization comprehensively. Mobile Device Security: Protecting mobile devices from cyber threats. AI/ML Integration: Using AI and Machine Learning for advanced threat detection and response. Project Management Skills: Project Planning & Execution: Managing cybersecurity and AI/ML projects from start to finish, ensuring they are completed on time and within budget. Team Coordination: Working with different teams to meet project goals. Risk Management: Identifying project risks and addressing them to avoid delays. Client Communication: Keeping clients updated on progress and meeting expectations. Agile & Waterfall Methods: Adapting project management approaches to fit client needs. Background: I have a Bachelor’s degree in Cyber Security from Air University Islamabad, where I studied subjects like programming, cryptography, web security, ethical hacking, and AI/ML. Over the past three years on Fiverr, I have successfully delivered customized solutions to clients. I’ve also managed projects focused on malware detection, code obfuscation, and the use of AI/ML in cybersecurity. I am committed to delivering high-quality cybersecurity services and managing projects effectively to ensure successful outcomes. Best regards, Alliyan

I’m a specialist in Network Security, OSINT, Dark Web Monitoring, Reverse Engineering, Python Scripting, Automation, Malware Analysis, Malware Removal, Software Testing and Code Refactoring. I also deliver secure and reliable web development solutions. Services I Provide: - Network Security & Penetration Testing: audits, vulnerability assessments, malware analysis, malware removal - SIEM & Incident Response: log monitoring, threat detection, rapid response - OSINT, Dark Web Monitoring & Digital Forensics: investigations, digital footprint analysis, dark web searches and exposure monitoring, forensic evidence collection and analysis. - Python Automation & Scripting: web scraping, data collection, workflow automation - Programming Languages: html, css, javascript, php, mysql, c++, c - Software Testing & QA: functional, security and performance testing - Secure Web Development: web apps with security-first design - Network Simulation & Configuration: cisco packet tracer, gns3 I provide clear communication, actionable reports, and practical solutions. Let’s secure your systems, automate tasks or build your next web project!

Want to deploy production-ready AI models, automate complex visual/text workflows, or build rigorous data pipelines? I bridge the gap between advanced research and scalable engineering. As an ML Engineer and Data Scientist with a Master’s degree, I specialize in building deterministic, high-performance AI systems. From fine-tuning LLMs and training computer vision models to engineering leakage-aware research datasets, I deliver clean, reproducible, and production-grade code. Whether you are a startup needing a custom RAG pipeline or an enterprise optimizing massive datasets, I ensure your models perform with mathematical precision. 🚀 CORE CAPABILITIES • AI Systems, LLMs & Automation Building robust RAG pipelines, structured data extraction systems, and automated workflows using Gemini, OpenAI, and Claude APIs. Expert in prompting strategies that yield deterministic, enterprise-grade outputs. • Natural Language Processing (NLP) & Dataset Engineering Experienced with Hugging Face Transformers for text classification, summarization, and multi-label categorization. Specialized in building leak-aware, balanced training/validation pipelines (e.g., CVEfixes vulnerability dataset parsing). • Computer Vision & Synthetic Data Generation Hands-on experience with object detection, image segmentation (U-Net variants), and custom preprocessing. I design synthetic image/video generation pipelines using state-of-the-art tools (Runway, Vidu, Veo, Stable Diffusion) for specialized model training and simulation datasets. • Machine Learning & Deep Learning (PyTorch & TensorFlow) End-to-end model development, validation, and optimization using PyTorch, TensorFlow, and Scikit-Learn. Expert at resolving class imbalances, handling massive datasets, and model benchmarking. • Statistical Modeling & Time Series Deep mathematical background in optimization, logistic/linear regression, hypothesis testing, and time-series forecasting. Experienced with complex real-world data analysis (e.g., NHANES health prediction models). • Data Quality & Engineering Advanced data cleaning and curation using Python, R, CleanLab, and Argilla to isolate and eliminate noise, outliers, and duplicates before they hit your training loop. 🛠️ TECHNICAL TOOLKIT • Languages: Python, R, Bash, SQL • AI/ML Frameworks: PyTorch, TensorFlow, Scikit-Learn, Hugging Face • Data Tools: CleanLab, Argilla, Pandas, NumPy, Excel (Pivot Tables) • Visualization: R (ggplot2), Python (Matplotlib, Seaborn) • Generative Media: Veo, Runway, Vidu, Stable Diffusion API Let’s turn your data into a competitive advantage. Click the "Invite to Job" button to discuss your project requirements!

Hi, I’m Sufian — a Certified Cybersecurity Professional (ISC2 | CEH | CHFI | OPSWAT ICIP) with a solid background in penetration testing, digital forensics, incident response, and secure infrastructure design. With over 4 years of hands-on experience, I specialize in: 🔍 Penetration Testing (Web, Network, and Infrastructure – OWASP, MITRE, Burp, Nmap, etc.) 🧪 Digital Forensics & Incident Response (Windows & Linux artifacts, Magnet Axiom, ExifTool, registry & log analysis) 🛡 Security Assessments & Hardening (HIPAA/NIST-compliant reviews, GPO lockdowns, firewall configurations) 🖥 Virtual Labs & Simulations (EVE-NG, Proxmox, ESXi, Cyber Range setups, CTF lab builds) 🔧 Server & Network Security (VPNs, pfSense, FortiGate, VLANs, AD/LDAP, remote access security) I’ve worked with clients globally on high-impact security projects — from setting up secure AVD infrastructures, to analyzing malware-infected systems, to crafting realistic cyber defense training labs. If you need a dedicated, technically sharp, and confidentiality-focused expert in cybersecurity, I’d love to hear about your project. Let’s secure your digital environment, together.