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ExternalSoftware Engineering
DZone

Top 10 Best Places to Prepare for Your Next Data Engineer Interview

Landing a data engineering role means clearing a gauntlet that no other software discipline has to face all at once: airtight SQL, production-grade Python, data modeling instincts, distributed-compute fluency (Spark, warehouses, ETL), and system design that has to survive real data volume. Generic coding prep barely scratches the surface, and "just grind LeetCode" advice falls apart the moment an interviewer asks you to model a slowly changing dimension or reason about a skewed join. So we did t

External
The Hacker News

Unpatched XRING Flaw in XQUIC Lets Remote Clients Crash HTTP/3 Servers

A single wrong variable on one line in XQUIC, Alibaba's QUIC and HTTP/3 library, lets any remote client crash the server with a short burst of completely legal traffic. There is no patch. FoxIO researcher Sébastien Féry disclosed the flaw on July 8 and nicknamed it XRING. He says it needs no login and no malformed packets: about 260 bytes of ordinary QPACK traffic takes the server

The Hacker NewsRead original
External
The Hacker News

From 17,000 to 1.1 Million Assets: How Lumen Technologies Rebuilt Exposure Management at Scale

Most enterprises assume their asset inventory is close enough to accurate. The evidence suggests otherwise. According to a survey of over 600 security leaders in the 2026 Axonius Actionability Report, only 45% of organizations consolidate their asset and exposure data into a single view, and every downstream security program inherits whatever the inventory gets wrong. Lumen Technologies, a

The Hacker NewsRead original

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