Microsoft has announced a significant takedown of RaccoonO365, a popular tool used by hackers to seize Microsoft 365 credentials via phishing. The tech giant's Digital Crimes Unit (DCU) seized 338 domains linked to RaccoonO365, which form the backbone of its phishing as a service (PhaaS) offering used in thousands of attacks worldwide.
Because of this breach, someone outside Cloudflare got access to our Salesforce instance, which we use for customer support and internal customer case management, and some of the data it contains,
The default and most commonly used table engine in ClickHouse, MergeTree, is optimized for high-throughput batch inserts. It writes each insert as a separate partition, then runs background merges to keep data manageable. This makes writes very fast, but not when they arrive in lots of tiny batches, which was exactly our case with millions of individual devices uploading one log event every 2 minutes.
Stephanie Cohen, Cloudflare's chief strategy officer, stated, 'The change in traffic patterns has been rapid, and something needed to change. This is just the beginning of a new model for the internet.'