Shibboleth

The debate over same-sex marriage has become a shibboleth between social conservatives and liberals.

The spy had to correctly pronounce the shibboleth to enter the enemy's base.

The company logo is a shibboleth of brand identity.

The issue of affirmative action has become a shibboleth for those who argue for equal opportunity and those who oppose preferential treatment.

The absence of a disaster recovery plan is a shibboleth that could cause the company to lose important data in case of a system failure.

The hacker exploited a shibboleth in the bank's security system to steal money.

The security breach was caused by a shibboleth in the company's computer network.

The shibboleth for being accepted into the group was the ability to perform a particular ritual.