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McKinsey & Company Cybersecurity

EY Cybersecurity delivers enterprise-scale security consulting, risk management, and digital transformation services through one of the world's largest cybersecurity practices within the Big Four.

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About

EY Cybersecurity operates one of the world's largest cybersecurity practices within the Big Four professional services firms. The practice delivers comprehensive security consulting, risk management, and digital transformation services to enterprise clients across industries. EY combines deep cybersecurity expertise with broad business consulting capabilities to address complex security challenges.

The firm's cybersecurity services span multiple domains including cyber risk strategy, security transformation, and incident response. EY provides security architecture design, threat intelligence, vulnerability assessments, and compliance services. The practice also offers managed security services, cloud security consulting, and privacy consulting to help organizations navigate regulatory requirements.

EY's approach integrates cybersecurity with business strategy and digital transformation initiatives. The firm leverages advanced analytics, artificial intelligence, and automation to enhance security operations and threat detection capabilities. EY's global delivery model enables consistent service delivery across multiple geographic regions and regulatory environments.

The practice serves Fortune 500 companies, government agencies, and large enterprises across sectors including financial services, healthcare, energy, and technology. Clients engage EY for strategic security assessments, regulatory compliance programs, merger and acquisition security due diligence, and large-scale security transformation projects. The firm's client base includes organizations undergoing digital transformation, cloud migration, or regulatory compliance initiatives.

EY Cybersecurity distinguishes itself through its integration with broader business consulting services and global reach. The practice combines technical security expertise with business strategy, risk management, and regulatory knowledge. This positioning enables EY to address cybersecurity as a business enabler rather than solely a technical function, supporting organizations in balancing security requirements with business objectives and operational efficiency.