Equifax are amongst many companies recently who’ve had high profile security gafs due to implementing tech requiring certificates - and then failing to renew the certificates.https://twitter.com/PogoWasRight/status/1072225471352328192 …
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It can mean a lot of things. Say with Palo Alto firewalls, you install SSL certs for each website you want to inspect traffic for inbound - PA does DLP, WAF etc. Each time a cert expires you need to manually renew it. If you fail to, it just passes traffic uninspected.
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