--- title: How Blackline prevents data exfiltration with VPC... description: Google Cloud introduces two new policy intelligence tools for VPC Service Controls (VPC-SC): a Violation Dashboard that aggregates and visualizes service... canonical: https://daily.dev/posts/how-blackline-prevents-data-exfiltration-with-vpc-service-controls-jiuskqlai twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: How Blackline prevents data exfiltration with VPC Service Controls | daily.dev og:description: Google Cloud introduces two new policy intelligence tools for VPC Service Controls (VPC-SC): a Violation Dashboard that aggregates and visualizes service... og:url: https://daily.dev/posts/how-blackline-prevents-data-exfiltration-with-vpc-service-controls-jiuskqlai og:image: https://api.daily.dev/og/posts/JIuskQlai.png og:image:alt: How Blackline prevents data exfiltration with VPC Service Controls og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # How Blackline prevents data exfiltration with VPC Service Controls **[Google Cloud](https://daily.dev/sources/gcp)** · 5 min read · 0 upvotes · 0 comments ## Summary Google Cloud introduces two new policy intelligence tools for VPC Service Controls (VPC-SC): a Violation Dashboard that aggregates and visualizes service perimeter violations across an organization, and a Violation Analyzer that generates detailed reports explaining why a specific API request was blocked, without needing manual Cloud Logging queries. BlackLine, a financial operations company, describes using these tools to reduce mean-time-to-resolution for perimeter incidents, streamline testing, monitoring, triaging, and refining VPC-SC policies across their cloud environment. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What does the new VPC Service Controls violation analyzer do? It generates a detailed report explaining why a specific API request was blocked by a VPC-SC perimeter, using only the troubleshooting token or unique denial ID from the violation error message. The report maps the identity, source, target resource, and the specific VPC-SC rule triggered, and links directly to the relevant policy line, removing the need to write Cloud Logging SQL queries to investigate. _Teams tightening cloud security perimeters can track tooling changes like this via daily.dev._ ### How does the VPC-SC violation dashboard help monitor security perimeters? It aggregates and visualizes all service perimeter violations across an entire Google Cloud organization in a single view, letting teams spot spikes in access denials, filter by perimeter, project, or identity, and monitor perimeter health in real time, including dynamic agentic access denials. It is also used during dry run mode to verify a new perimeter's enforcement before it affects production traffic. _Engineers evaluating cloud security tooling can follow updates like this on daily.dev._ ## Similar posts on daily.dev - [Preventing Data Exfiltration: A Practical Implementation of VPC Service Controls at Enterprise Scale in Google Cloud Platform](https://daily.dev/posts/preventing-data-exfiltration-a-practical-implementation-of-vpc-service-controls-at-enterprise-scale-2ptagj5vl) · InfoQ · 0 upvotes · 0 comments - [Securing agentic AI: What's new in VPC Service Controls](https://daily.dev/posts/securing-agentic-ai-what-s-new-in-vpc-service-controls-yzc0v8hcp) · Google Cloud · 1 upvotes · 0 comments - [Using VPC Flow Logs to de-risk network migration](https://daily.dev/posts/using-vpc-flow-logs-to-de-risk-network-migration-zkaasr5av) · Google Cloud · 0 upvotes · 0 comments --- Tags: [#gcp](https://daily.dev/tags/gcp), [#data-exfiltration](https://daily.dev/tags/data-exfiltration) [View this post on daily.dev](https://daily.dev/posts/how-blackline-prevents-data-exfiltration-with-vpc-service-controls-jiuskqlai) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"How Blackline prevents data exfiltration with VPC Service Controls","url":"https://daily.dev/posts/how-blackline-prevents-data-exfiltration-with-vpc-service-controls-jiuskqlai","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/how-blackline-prevents-data-exfiltration-with-vpc-service-controls-jiuskqlai"},"datePublished":"2026-09-01T16:07:12.348Z","dateModified":"2026-09-01T16:08:54.946Z","description":"Google Cloud introduces two new policy intelligence tools for VPC Service Controls (VPC-SC): a Violation Dashboard that aggregates and visualizes service...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/c33435fc89ca71220276036d34de567e?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/c33435fc89ca71220276036d34de567e?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Google Cloud","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Google Cloud","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/gcp","url":"https://daily.dev/sources/gcp"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/how-blackline-prevents-data-exfiltration-with-vpc-service-controls-jiuskqlai","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"gcp,data-exfiltration","timeRequired":"PT5M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Google Cloud","item":"https://daily.dev/sources/gcp"},{"@type":"ListItem","position":3,"name":"How Blackline prevents data exfiltration with VPC Service Controls"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/how-blackline-prevents-data-exfiltration-with-vpc-service-controls-jiuskqlai#faq","mainEntity":[{"@type":"Question","name":"What does the new VPC Service Controls violation analyzer do?","acceptedAnswer":{"@type":"Answer","text":"It generates a detailed report explaining why a specific API request was blocked by a VPC-SC perimeter, using only the troubleshooting token or unique denial ID from the violation error message. The report maps the identity, source, target resource, and the specific VPC-SC rule triggered, and links directly to the relevant policy line, removing the need to write Cloud Logging SQL queries to investigate. Teams tightening cloud security perimeters can track tooling changes like this via daily.dev."}},{"@type":"Question","name":"How does the VPC-SC violation dashboard help monitor security perimeters?","acceptedAnswer":{"@type":"Answer","text":"It aggregates and visualizes all service perimeter violations across an entire Google Cloud organization in a single view, letting teams spot spikes in access denials, filter by perimeter, project, or identity, and monitor perimeter health in real time, including dynamic agentic access denials. It is also used during dry run mode to verify a new perimeter's enforcement before it affects production traffic. Engineers evaluating cloud security tooling can follow updates like this on daily.dev."}}]} ```