Is Slack ISO 27001 certified? Discover how Slack secures your data with industry-best practices and stringent compliance controls.

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Yes, Slack is ISO 27001 certified, meaning it meets the rigorous international standards for managing sensitive information securely.
ISO 27001 is an internationally recognized standard that specifies the requirements for an effective information security management system (ISMS). This certification confirms that Slack has implemented robust policies, procedures, and controls to protect data and manage risks associated with information security. In essence, Slack’s ISO 27001 certification demonstrates its commitment to safeguarding your information following globally accepted best practices.
Here’s what that means in simpler terms:
Structured Approach to Security: Slack employs a systematic process to identify potential threats, manage risks, and protect data. This means they have clear rules and steps to follow if a security incident happens.
Risk Management: The certification requires constant assessment and management of risks, ensuring that new threats are promptly identified and mitigated. This ongoing process helps Slack keep up with evolving security challenges.
International Standards: ISO 27001 is recognized around the world, so Slack’s certification provides reassurance to users globally that they meet high standards for protecting information.
Continuous Improvement: The certification isn’t a one-time event. Slack must regularly update its security measures and undergo audits to ensure that its practices remain effective over time. This ongoing commitment enhances trust and reliability.
Understanding these points is essential if you’re concerned about how your data is handled. If you’re ever in need of further clarity or help assessing your own organization’s readiness for such international standards, we at OCD Tech are here to support your efforts with consulting and readiness assessments.
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Learn MoreOCD Tech offers a comprehensive suite of cybersecurity and IT assurance services, including SOC 2/3 and SOC for Cybersecurity reporting, IT vulnerability and penetration testing, privileged access management, social engineering assessments, virtual CISO (vCISO) support, IT general controls audits, WISP development, and compliance assistance for frameworks like CMMC, DFARS, and FTC Safeguards.
OCD Tech specializes in serving highly regulated sectors such as financial services, government, higher education, auto dealerships, enterprise organizations, and not-for-profits throughout New England.
Typically, OCD Tech’s on-site work spans 1–2 days, depending on complexity and number of sites, followed by 1–2 weeks of analysis and reporting to deliver clear, actionable recommendations.
SOC 2 reporting demonstrates to clients and prospects that an organization follows best-in-class controls over security, availability, processing integrity, confidentiality, and privacy—boosting trust, meeting RFP/due diligence requirements, and helping secure contracts. OCD Tech helps organizations achieve and maintain this compliance.
Yes—OCD Tech provides guidance for compliance with DFARS (NIST 800‑171), CMMC (Levels 1–3), and FTC Safeguards, ensuring organizations meet specific government or industry-based cybersecurity mandates.
A virtual CISO delivers strategic, executive-level cybersecurity leadership as a service. OCD Tech’s vCISO service is ideal for organizations lacking a full-time CISO and helps build programs, define policy, oversee risk, and guide security maturity.
Absolutely. OCD Tech provides tailored internal IT Audit training and security awareness sessions, plus annual reviews of Written Information Security Programs (WISP), such as Massachusetts 201 CMR 17 and other state or industry-specific controls.

Audit. Security. Assurance.
IT Audit | Cybersecurity | IT Assurance | IT Security Consultants – OCD Tech is a technology consulting firm serving the IT security and consulting needs of businesses in Boston (MA), Braintree (MA) and across New England. We primarily serve Fortune 500 companies including auto dealers, financial institutions, higher education, government contractors, and not-for-profit organizations with SOC 2 reporting, CMMC readiness, IT Security Audits, Penetration Testing and Vulnerability Assessments. We also provide dark web monitoring, DFARS compliance, and IT general controls review.
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