ISO 9001 Different types of audits

Answer:

1. Upstream, and downstream audits are about doing audits along a supply chain upstream or downstream from a reference point

2. A horizontal audit is when you audit one process across many departments in the organization. A vertical audit is when you audit all the processes used by a department. 

3. Process audits are another name for horizontal audits

4. These are the more common types

You can find more information below

• ISO 9001 Horizontal audit vs. vertical audit - https://advisera.com/9001academy/blog/2015/03/03/iso-9001-horizontal-audit-vs-vertical-audit/
• ISO 9001 internal auditor training: Is it for me? - https://advisera.com/9001academy/blog/2015/06/02/iso-9001-internal-auditor-training-is-it-for-me/
• Free webinar on demand - How to perform an ISO 9001:2015 internal audit - https://advisera.com/9001academy/webinar/how-to-perform-an-iso-9001-2015-internal-audit-free-webinar-on-demand/
• Free online training ISO 9001:2015 ISO 9001:2015 Internal Auditor Course - https://advisera.com/training/iso-14001-internal-auditor-course/ nal-auditor-course/
• Book - ISO internal audit: A plain English guide: https://advisera.com/books/iso-internal-audit-plain-english-guide/