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What is ISO 27001?
ISO 27001 is a globally recognized standard for information security. It serves as a playbook for businesses to follow in their efforts to protect data from breaches, leaks, and cyberattacks.
Whether you’re handling health, financial, or customer records, and whether you’re a large international company or a startup, achieving ISO 27001 certification is beneficial for your business in many ways:
Expand client base
Work with companies that require ISO 27001 certification from vendors.
Instantly build trust
Assure clients that their data is protected by internationally recognized standards.
Access global markets
Collaborate with partners worldwide; ISO 27001 certification is globally recognized.
Protect against breaches
Operate with confidence that you’ve implemented the best cyber defenses before an attack.
Strengthen compliance efforts
Build a security foundation that supports GDPR, HIPAA, and other regulations.
What is the difference between ISO 27001 vs SOC 2?
If you’re seeking certification, you’re likely to come across both ISO 27001 and SOC 2. Both standards demonstrate your business’s commitment to information security and share some overlap in their requirements. However, ISO 27001 and SOC 2 differ across various factors, including applicability, flexibility, and requirements.
ISO 27001 | ISO 27001 | SOC 2 | |
|---|---|---|---|
Target market | International | North America (US) | |
Validity | Three years with annual audits | One year | |
Timeline | ≈10 months | ≈4 months for a Type I report, and 7 months for a Type II report | |
Flexibility | Fixed scope covering all ISO 27001 requirements | Flexible scope with mandatory Security and four optional criteria | |
Documentation | Comprehensive documentation with specific requirements | Documentation needs vary based on selected criteria | |
Cost | ≈$10,000-$25,000 | ≈$10,000-$60,000 | |
Auditor | ISO 27001-accredited registrar | Licensed CPA firm | |
Accreditation body | ANSI-ASQ National Accreditation Board (ANAB) | American Institute of Certified Public Accountants (AICPA) |
What are the ISO 27001 requirements?
To become ISO 27001 compliant, there are 11 clauses that outline requirements your business must meet. Clauses 0 to 3 provide an overarching guide and context to the remaining seven clauses:
Clause 4
You need to create a defined document that covers the scope of the business’s ISMS (Information Security Management System) project. The document should detail your risk assessment process, security objectives, security procedures, and more.
Leadership commitment
To achieve ISO 27001 certification, senior leaders of the business must demonstrate commitment by being involved in the drafting and signing off on the Information Security Policy Statement.
Clear security objectives
Using a risk-based approach, your business must define security objectives that your ISMS needs to meet. These objectives should inform implementation plans and metrics of success.
Resourcing plan
Your business needs to maintain and improve its ISMS. You need to show that you have the right resources to do so via documentation that includes proof of competence, confirmation of responsibility, and more.
Operations plan
Businesses must create a risk assessment plan and document the process for conducting future risk assessments. Once that is done, a risk treatment plan should be created. All documentation should be retained.
Metrics of success
ISO 27001 compliance requires constant tracking of the ISMS's success. To do so, you will need to define the metrics of success and design a process that tracks, analyzes, and evaluates your ISMS.
Nonconformity and improvement logging
In the ever-evolving cybersecurity landscape, maintaining full compliance at all times is hard. Rather than demanding that, ISO 27001 requires businesses to log incidents of nonconformity and opportunities for improvement. ISMSs are always a work in progress, and all changes and improvements need to be logged.
Read the full ISO 27001 checklist and details by purchasing the complete document from the ISO website(new window).
What is the ISO 27001 certification process?
Getting ISO 27001 certified requires commitment; the process can take up to a year, and while the cost varies by company size, a starting point of approximately US$10,000 is likely. The process can be broken down into four main steps:
Assess your current security
Identify gaps in your security system and ISO 27001 requirements.
Implement required controls
Deploy encryption, access management, and security policies to meet the standard.
Document your procedures
Maintain a record of how your business safeguards data, controls access, and responds to non-compliance incidents.
Undergo an official audit
Auditors from ANAB verify your compliance and award certification if standards are met.
Build a security infrastructure with Proton’s ISO 27001-certified suite
With VPN, email, calendar, cloud storage, and a password manager we provide the secure file sharing, access control, and encryption that auditors expect for ISO 27001 compliance.
ISO 27001-certified tools to support your compliance journey
Proton Drive
Secure file sharing is essential for ISO 27001 compliance. Proton Drive provides encrypted storage where everything is protected from unauthorized access. You maintain full control over your files with features that determine who can access, edit, and download them.
Designed to meet compliance standards, Proton Drive is equipped with access management tools, activity logging, and secure sharing features like password-protected links and expiration controls.
Proton Mail
Meet the strict communication controls of ISO 27001 with Proton Mail. Replace vulnerable systems with our encrypted email service that secures communications and prevents unauthorized access.
Proton Mail is built with compliance-ready features, including enforced 2FA, password-protected emails, and powerful admin controls. Zero-access encryption ensures all emails are securely stored and protected.
Proton VPN
Keep distributed teams compliant with the network security control requirements of ISO 27001. Proton VPN eliminates risks from untrusted internet connections by encrypting connections for your entire workforce.
Take greater control with powerful features to segment access, monitor activity, and enforce security policies. Proton VPN is built on transparent and audited technology with a strict no-logs policy.
Proton Pass
Eliminate weak passwords and insecure credential sharing with our encrypted password manager, Proton Pass.
Proton Pass simplifies compliance by automating the generation, storage, and filling of strong passwords, backed by 2FA integration. All data is fully encrypted, and proactive security features keep you ahead of password leaks and reuse.
Information security management you can trust
ISO 27001 certified
Proton is ISO 27001 certified, so you can rest assured that our security practices meet the rigorous standards you and your clients expect.
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Comprehensive security and privacy for your business
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Frequently asked questions
- What is ISO 27001 certification?
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