Microsoft says it mitigated one of the largest ever DDoS attacks

Microsoft has revealed that in August 2021, it mitigated one of the largest distributed denial of service (DDoS) attacks ever recorded. The 2.4Tbps attack targeted an Azure cloud computing service client based in Europe and surprisingly resulted in minimal downtime for users. The size of the attack is second only to a 2.54Tbps DDoS attack directed at Google in 2017, though higher than any attack ever recorded on Azure previously. 

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Let’s Encrypt root certificate expiry causes issues for users

Many website owners with SSL certificates issued by Let’s Encrypt faced outages over the past few days. This is due to the expiration of its IdenTrust DST Root CA X3 cross-signed root certificate. Although this root certificate has been replaced by one called ISRG Root X1, many users are still encountering service issues, particularly business owners and their customers. So those worst hit include not only website owners using legacy servers and older devices, but also hosting service companies that failed to update their software, leaving their customers and users without service. 

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