blacklists

many companies maintain blacklists of unreliable suppliers.

he was added to the blacklists for his unethical behavior.

some websites use blacklists to block spam users.

it's important to regularly update your blacklists.

the government has issued blacklists of banned organizations.

they found their email address on several blacklists.

some online platforms automatically generate blacklists.

being on a blacklist can severely limit opportunities.

she checked the blacklists before making a purchase.

blacklists can help protect users from fraud.