
We empower cybersecurity transformation that
accelerates your business forward.
Our Service Offerings
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Our Approach
OUR SERVICES, CUSTOMIZED FOR YOU
Cybersecurity advisory and consulting
Cyber-Physical Security
Digital Identity Management
Digital workplace security
Enterprise security-as-a-service
Governance,Risk & Compliance
Incident response and rapid recovery
Privacy & Data Protection
Secure Cloud Transformation
Threat Detection and Response
Threat detection and response
Vulenarabilty management
Zero trust and edge security
Security Transformation with AI
WHAT IS CYBER DEFENSE? Cyber Defense is actively resisting attacks and minimizing the impact of a compromise. It is one of the four domains of Information Security with the other domains being Security Governance, Security Architecture and Security Risk Management. A successful Cyber Defense organization seamlessly integrates with the other information security domains to create a resilient security program.
WHAT IS CYBER DEFENSE?
Cyber Defense is actively resisting attacks and minimizing the impact of a compromise. It is one of the four domains of Information Security with the other domains being Security Governance, Security Architecture and Security Risk Management. A successful Cyber Defense organization seamlessly integrates with the other information security domains to create a resilient security program.
Four domains of Information Security
Cyber Defense
Security Risk Management

Cyber Defense
Security Governance
Security Architecture
The Cyber Defense domain is made up of six functions to achieve its
mission of identifying and responding to threats to the business or
organization. The service provided by a Cyber Defense organization
is to allow the organization to continue to operate in the face of
threats. These functions work together to provide a common front
against attackers.
The Cyber Defense domain is made up of six functions to achieve its mission of identifying and responding to threats to the business or organization. The service provided by a Cyber Defense organization is to allow the organization to continue to operate in the face of threats. These functions work together to provide a common front against attackers.
Each of these functions focuses on a unique piece of the Cyber Defense mission, and feeds into each other, allowing each function to benefit from the capabilities of the other functions, focused on different goals. The functions of the Cyber Defense domain are Intelligence, Command and Control, Hunt, Detect, Respond and Validate. Each of the functions are associated with different activities, actions, or responsibilities, but they all represent core strengths used collectively to improve cyber defenses
Creating actionable intelligence starts with creating a threat intelligence plan. A basic threat intelligence use case plan needs to answer the following questions: 1. What is to be accomplished? 2. Who will consume the intelligence output? 3. How will the intelligence output be communicated? 4. How will feedback on the output be gathered and consumption measured? 5. What additional intelligence sources are needed to fill existing gaps?
Goals of Threat Hunting A goal of the Hunt function is to identify potential evidence of compromise and escalate to the Incident Response team. Other goals include: • Systematically reduce threat exposure through proactive detection, which reduces dwell time and facilitates rapid identification of new tactics, techniques and procedures used by attackers and the creative use of existing data assets to detect malicious activity. • Provide decision-making advantage to bridge the gap between automated, computer-driven detection and human analysis. • Align resources to combat current and future threats through awareness of existing security control gaps. • Increase understanding of the operating environment and baseline knowledge of “good” behavior to make detection of anomalies and “evil” more apparent.

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Cybersecurity A strong cybersecurity strategy
The threat landscape is in relentless flux. In today’s digital battlefield, cybersecurity is no longer a reactive measure—it’s a proactive commitment to resilience. True defense lies not in waiting for an attacker’s first move, but in fortifying the enterprise to withstand and recover from disruptions without compromising momentum or critical assets.
At TestingLifeline, we deliver holistic cybersecurity solutions grounded in a standards-driven framework, powered by a platform-centric architecture, and amplified by cutting-edge technologies. Our approach is rooted in precision, scalability, and trust—led by passionate professionals who work alongside you to build and continually evolve a resilient, adaptive, and robust security posture.

TestingLifeline
We empower cybersecurity transformation that accelerates your business forward.
By redefining resilience and fortifying digital trust, we help turn security into a strategic growth enabler.
Vulnerability Assessment & Penetration Testing
Our Service Offerings
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Web Application Security Testing
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Mobile Application Security Testing
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Network Penetration Testing
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Cloud Penetration Testing
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IoT Security Testing
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OT Security
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Secure Code Review
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Medical Device Security Testing
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Threat Modeling
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Root Cause Analysis (RCA)
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Red Teaming
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Software Composition Analysis (SCA)
Compliance
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ISO/IEC 27001
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SOC 2 Compliance
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GDPR Compliance
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HIPAA Compliance
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PCI DSS Compliance





