How can the new Chrome Cookie Policy impact my Salesforce Commerce Cloud environment?

We've found an increase in issues which resulted in merchants experiencing higher levels of incomplete 3DS orders. After further investigation, we have found out that the cause of the 3DS drop-offs originated from the updated Chrome SameSite Cookie policy that began to be enforced by Google, initially rolling out to a limited initial population end of July which gradually increased until it reached 100% on the 11th of August. 

About Chrome's SameSite Cookie Policy

For users running Chrome 80 and higher, Chrome is enforcing a secure-by-default cookie classification system, treating cookies that have no declared SameSite value as SameSite=Lax cookies. Only cookies set as SameSite=None; Secure will be available in third-party contexts, provided they are being accessed from secure connections. Do note that the SameSite field is not yet widely supported in older browsers, as well as Safari and Firefox.

If you experience issues due to the new Chrome release, enable the following: In Business Manager go to Administration > Global Preferences > Security > On the Access Restrictions tab select Enforce HTTPS > Click Apply.

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