标签：#Data

One leading privacy lawmaker said it was time to "start treating the adtech industry as a national security threat."

Enterprise AI is entering a different phase now, one where enterprises are no longer evaluating whether AI is exciting. They are evaluating whether it is safe to deploy broadly.

Advanced JSON Schema Validator Techniques for Power Users Once you're comfortable with basic validation, these advanced techniques will help you handle complex validation scenarios and integrate validation deeply into your systems. 1. Conditional Validation with if/then/else The most powerful feature in modern JSON Schema is conditional validation. Use it to enforce different rules based on the data itself: { "type" : "object" , "properties" : { "type" : { "type" : "string" , "enum" : [ "individual" , "business" ] }, "taxId" : { "type" : "string" }, "businessName" : { "type" : "string" } }, "allOf" : [ { "if" : { "properties" : { "type" : { "const" : "business" } } }, "then" : { "required" : [ "taxId" , "businessName" ] }, "else" : { "properties" : { "taxId" : { "not" : {} }, "businessName" : { "not" : {} } } } } ] } This schema makes taxId and businessName required only when type is "business". For individual accounts, those fields must not be present. 2. Custom Error Messages with Error Message Extension Enhance validation with user-friendly error messages that guide users toward correct input: { "type" : "object" , "properties" : { "password" : { "type" : "string" , "minLength" : 8 , "pattern" : "^(?=.*[A-Z])(?=.*[0-9])" , "errorMessage" : { "minLength" : "Password must be at least 8 characters" , "pattern" : "Password must contain at least one uppercase letter and one number" } } } } While not part of the core JSON Schema spec, many validators (including AJV) support the errorMessage keyword for better user-facing error reporting. 3. Schema Composition with allOf, anyOf, and oneOf Combine multiple schemas to create sophisticated validation rules: { "allOf" : [ { "$ref" : "#/$defs/baseUser" }, { "$ref" : "#/$defs/withTimestamp" }, { "if" : { "properties" : { "role" : { "const" : "admin" } } }, "then" : { "$ref" : "#/$defs/adminPrivileges" } } ] } allOf: Data must match ALL sub-schemas (intersection) anyOf: Data must match AT LEAST ONE sub-schema (union) oneOf: Da

Over the past decade, the core evolution of data engineering has been the deconstruction and reconstruction of traditional data warehouse architectures through the Modern Data Stack. We separated data ingestion from databases, forming the Data Ingestion layer, using tools like FiveTran, Airbyte, and Apache SeaTunnel to solve ELT / CDC / Reverse ETL problems; We separated compute from storage, forming cloud data warehouse and lakehouse systems such as Snowflake, Databricks, Iceberg, and Hive; We separated orchestration from scripts, leading to orchestration systems like Apache Airflow and Apache DolphinScheduler; SQL development, data modeling, lineage, data quality, BI, and AI analytics were further split into independent tools. This architecture was undoubtedly progress. It moved data engineering away from the primitive era of “a bunch of scripts + Crontab” toward cloud-native infrastructure, elastic computing, engineering governance, and open ecosystems. The greatest contribution of the Modern Data Stack was “decoupling,” and its biggest side effect was also “decoupling.” Tools became more powerful, but data engineers were forced to switch between more systems than ever before: datasources in one place, synchronization configs in another, DAGs somewhere else, logs elsewhere, SQL stored in Git, and Snowflake / Iceberg / cloud warehouse execution results living in yet another environment. As a result, many data engineers spend less time on data modeling, business understanding, metric definitions, architecture design, and cost optimization — and far more time configuring datasources, setting field mappings, dragging DAG nodes, modifying SQL, checking logs, and rerunning tasks. This is the hidden pain created by the Modern Data Stack: data engineers became trapped inside tools. The emergence of engineering-focused AI systems like Codex and Claude Code is now changing the entire software engineering workflow. But how can data engineers truly achieve Vibe Coding? That

In part 1 , the single-document case was easy. In part 2 , two documents brought Write Skew, and we saw that even a native ACID transaction — snapshot isolation — lets it through. So teams reach for the reflex fix: a distributed lock — Redis-based, often a Redlock-style implementation. Acquire a lock on a key, do your Read → Modify → Write, release. On paper, you've finally serialized the critical section — operationally, at least. In practice, you've stepped on three mines. 1. Network latency Every guarded transaction now makes extra round-trips to Redis — before and after hitting your NoSQL store. You've doubled your coordination surface and taken a hard dependency on a second system being up, reachable, and fast on the hot path of every write. The "fast" database is now gated by the lock service. And the coupling bites harder than the average latency suggests: every Redis tail-latency spike becomes your write-latency spike — your p99 inherits Redis's p99 — and if Redis fails over mid-transaction, the lock you think you're holding can effectively vanish on the new primary, dropping you straight into the corruption case below. 2. Deadlock You can dodge deadlock entirely with a single coarse lock — but then every writer serializes on it, and you've thrown away the very concurrency you reached for NoSQL to get. So to keep throughput you go fine-grained, one lock per resource — and the moment an invariant touches more than one key (across this series, it always does), deadlock is back on the table: Transaction A locks key X, then needs Y. Transaction B locks Y, then needs X. Both block until timeout or intervention. The textbook cure — real deadlock detection, maintaining a wait-for graph across every lock holder and breaking cycles as they form — is a distributed-systems project in its own right: not something you bolt onto a cache you reached for precisely to save engineering time. So nobody builds it. Instead teams impose a standing discipline: always acquire locks

Last year, I was doing something that felt increasingly absurd: manually reading AI-generated content to decide if it was "good enough." PostAll — the content automation tool I've been building — was producing hundreds of blog posts per week for clients. And I had no systematic way to evaluate quality at scale. I was spot-checking. Vibes-checking, really. That doesn't work at volume. So I built a programmatic quality analysis pipeline, ran it over 1,000 AI-generated posts, and let the numbers tell me what my gut was missing. The findings surprised me. A few of them genuinely changed how I think about AI content quality. What I Actually Measured First, a definition of terms, because "quality" is almost meaninglessly vague in this space. I broke quality into five measurable dimensions: Readability — Flesch-Kincaid grade level and reading ease score Keyword density — Target keyword frequency and distribution across the post Grammar error rate — Errors per 1,000 words, caught via LanguageTool's API Factual accuracy — Claims that could be verified programmatically (dates, statistics, named entities cross-referenced against a knowledge base) Structural consistency — Presence of expected elements: intro hook, subheadings, conclusion, CTA I used 1,000 posts across three categories: SaaS product descriptions, long-form "how-to" articles (1,200–2,000 words), and listicles (500–900 words). All were generated by PostAll using GPT-4o, with various prompting strategies. The Setup The analysis pipeline isn't complicated, but the piece that makes it useful is the batch processing layer: import anthropic import language_tool_python import textstat from dataclasses import dataclass from typing import Optional import json @dataclass class QualityReport : post_id : str flesch_reading_ease : float flesch_kincaid_grade : float grammar_errors_per_1000_words : float keyword_density : float structural_score : int # 0–5 based on element presence flagged_claims : list [ str ] overall_score :

Why Does Using an ORM Decrease Database Performance? While trying to optimize the shipping module in a production ERP, I noticed that database queries were incredibly slow. At first, I examined the SQL queries and checked the indexes. However, I couldn't get the performance boost I expected. The problem lay in the Object-Relational Mapper (ORM) library, which was the cornerstone of our application. ORMs make things easier for software developers by providing an abstract layer for database operations, but this convenience often comes at a performance cost. In this post, I will explain why using an ORM decreases database performance, using concrete examples from my own field experience. The core promise of ORMs is to keep developers away from SQL and allow them to interact with databases in a way that is more aligned with the object-oriented paradigm. This is a huge advantage, especially in small and medium-sized projects or rapid prototyping processes. However, when things get complex and performance becomes critical, the efficiency of the queries generated by ORMs starts to be questioned. In many cases I have encountered, especially in enterprise software development processes, the default behaviors of ORMs created an unexpected load on database servers. Query Inefficiencies Generated by ORMs ORMs usually manage database relationships using mechanisms like "eager loading" or "lazy loading". Depending on the developer's preference, these mechanisms either fetch all related data at once (eager loading) or fetch it in pieces as needed (lazy loading). However, ORMs may not always perform these loads in the most optimized way. For example, while only a few fields like ID and name are sufficient in a list view, the ORM might query the entire table or all related tables. This situation causes unnecessary data transfer and unnecessarily overloads the database server. To give an example, on the order list screen of an e-commerce site, we needed to display the customer inform

Author: Tobie Morgan Hitchcock Three months after 3.0 went GA, we're excited to announce that...

When regulation becomes theater and encryption becomes window dressing By Vektor Memory — 20 min read It is raining here in the Southern Hemisphere again. It has been raining for three weeks now, nonstop. I’m sitting with my chai coffee, watching out of the window, and thinking about data sovereignty. It is, genuinely, the kind of thing I think about often. The northern hemisphere is winding up for summer. Europe is getting ready for long evenings and beach holidays. I’m quietly jealous. I’ve always wanted to split the year: six months south, six months north. Endless summer. The perpetual warmth of a life lived chasing the sun. But here I am. Chai. Rain. Data. I’ve been turning over one question in particular: why is it that the moment you mention data sovereignty, people immediately reach for GDPR? It’s reflexive, especially among Europeans. Understandable. GDPR is loud, it’s enforced, it has teeth. French, German, and Dutch visitors make up a large disproportionate share of our site traffic at VEKTOR, and the interest in privacy and sovereignty from that audience is intense and genuine. Northern Europeans, by and large, take this seriously in a way that other markets don’t; they are working on ways to disassociate from the cloud around the world. And yet. How many times have we clicked “Accept All” on a cookie banner in the last week? How many times have you scrolled past a privacy policy that runs to forty-two pages? How many times have you handed over your email address, your location, your device fingerprint, your behavioral patterns not because you wanted to, but because there was no meaningful alternative? GDPR created the most sophisticated legal architecture for data rights the world has ever seen. It also created the most sophisticated ritual of consent theater the world has ever performed. That gap, between the law and the lived reality, is what this article is about. Ubiquitous data centre growth image The Reflex Problem When people think of data sovere

The third-party website exposed passports, selfies, and the location data of applicants who submitted their documents as part of the U.K. visa application process. Instead of fixing the issue, the website sent attorneys.

Aaron Erickson discusses the evolution of AI workflows, shifting from "vibe checking" to building reliable, multi-agent frameworks. He explains how to combine deterministic software guardrails with agentic discovery, optimize agent hierarchies, leverage time-series foundation models, and implement rigorous evaluation pyramids to ensure architecture scales effectively in production. By Aaron Erickson

Deep Research Agentic Systems are AI Agents designed to conduct multi-step research for complex tasks using dynamic reasoning, multi-hop information retrieval, and generate structured analytical reports. Sarang Kulkarni from Thoughtworks spoke at Arc of AI Conference 2026 on how to deploy multi-agent research systems for deep reasoning, and the lessons learned from developing Deep Research Agents. By Srini Penchikala

This article explores Kafka's transition toward a cloud-native architecture, examining how tiered storage, FinOps telemetry, elastic consumer scaling, virtual clusters, and Share Groups reshape the operational and economic model of event streaming platforms. It also analyzes emerging diskless-storage proposals and their architectural trade-offs. By Viquar Khan

Microsoft has introduced a new AI-driven vulnerability discovery system called MDASH, a multi-model agentic security platform designed to automate large-scale code auditing across Windows and other Microsoft software environments. The system combines more than 100 specialized AI agents that work together to scan, validate, debate, and prove vulnerabilities across complex codebases. By Robert Krzaczyński

Lawmakers in both houses of Congress are demanding answers from the U.S. Cybersecurity & Infrastructure Security Agency (CISA) after KrebsOnSecurity reported this week that a CISA contractor intentionally published AWS GovCloud keys and a vast trove of other agency secrets on a public GitHub account. The inquiry comes as CISA is still struggling to contain the breach and invalidate the leaked credentials.

Crazy story : Until this past weekend, a contractor for the Cybersecurity & Infrastructure Security Agency (CISA) maintained a public GitHub repository that exposed credentials to several highly privileged AWS GovCloud accounts and a large number of internal CISA systems. Security experts said the public archive included files detailing how CISA builds, tests and deploys software internally, and that it represents one of the most egregious government data leaks in recent history. News article .

Until this past weekend, a contractor for the Cybersecurity & Infrastructure Security Agency (CISA) maintained a public GitHub repository that exposed credentials to several highly privileged AWS GovCloud accounts and a large number of internal CISA systems. Security experts said the public archive included files detailing how CISA builds, tests and deploys software internally, and that it represents one of the most egregious government data leaks in recent history.

An ongoing data extortion attack targeting the widely-used education technology platform Canvas disrupted classes and coursework at school districts and universities across the United States today, after a cybercrime group defaced the service's login page with a ransom demand that threatened to leak data from 275 million students and faculty across nearly 9,000 educational institutions.

A Brazilian tech firm that specializes in protecting networks from distributed denial-of-service (DDoS) attacks has been enabling a botnet responsible for an extended campaign of massive DDoS attacks against other network operators in Brazil, KrebsOnSecurity has learned. The firm's chief executive says the malicious activity resulted from a security breach and was likely the work of a competitor trying to tarnish his company's public image.

A 24-year-old British national and senior member of the cybercrime group "Scattered Spider" has pleaded guilty to wire fraud conspiracy and aggravated identity theft. Tyler Robert Buchanan admitted his role in a series of text-message phishing attacks in the summer of 2022 that allowed the group to hack into at least a dozen major technology companies and steal tens of millions of dollars worth of cryptocurrency from investors.