There's a LOT of compromised instances on GCP and AWS. Attackers crawl for leaked credentials and access keys which they use to spawn more instances, run crypto

There's a LOT of compromised instances on GCP and AWS. Attackers crawl for leaked credentials and access keys which they use to spawn more instances, run cryptominers on them, crawl for more keys, etc. They set these up in ways that are difficult for account owners to notice right away, such as by launching the instances in regions the account owner doesn't normally use or setting up large numbers of IAM accounts and roles to retain access if the new instances get purged. (Ask me how I know.) I suspect a lot of the malicious traffic coming out of Africa is not direct attacks from cybercriminals but residential machines that have also been compromised to send malicious traffic. The only difference between that and cloud providers is that you cannot afford to block all of Amazon or Google. They have a level of economic privilege that the entire continent of Africa lacks.