<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Differential-Privacy on CuraSec</title><link>https://curasec.metacog.co.kr/tags/differential-privacy/</link><description>Recent content in Differential-Privacy on CuraSec</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Mon, 31 Aug 2026 19:07:02 +0000</lastBuildDate><atom:link href="https://curasec.metacog.co.kr/tags/differential-privacy/index.xml" rel="self" type="application/rss+xml"/><item><title>DP Bounds on LLM Memorization vs. Extraction Are Not Interchangeable</title><link>https://curasec.metacog.co.kr/insights/2026-08-31-memorization-is-not-extraction-tight-differential-privacy-bo/</link><pubDate>Mon, 31 Aug 2026 19:07:02 +0000</pubDate><guid>https://curasec.metacog.co.kr/insights/2026-08-31-memorization-is-not-extraction-tight-differential-privacy-bo/</guid><description>&lt;ul>
&lt;li>&lt;strong>Engineer — Learn:&lt;/strong> If you rely on DP guarantees to protect training data in ML pipelines, this research shows that controlling memorization and controlling extraction are formally separate — a model can be memorized yet unextractable, or vice versa. Revisit your threat model assumptions, but no system change is required today.&lt;/li>
&lt;li>&lt;strong>SOC/IR — Skip&lt;/strong>&lt;/li>
&lt;li>&lt;strong>Leader — Skip&lt;/strong>&lt;/li>
&lt;/ul></description></item><item><title>Flawed Noise Sampling Breaks Differential Privacy in MPC Systems</title><link>https://curasec.metacog.co.kr/insights/2026-08-31-revisiting-continuous-noise-sampling-for-multi-party-differe/</link><pubDate>Mon, 31 Aug 2026 19:07:02 +0000</pubDate><guid>https://curasec.metacog.co.kr/insights/2026-08-31-revisiting-continuous-noise-sampling-for-multi-party-differe/</guid><description>&lt;ul>
&lt;li>&lt;strong>Engineer — Learn:&lt;/strong> The paper exposes a fundamental flaw in sample-and-scale DP noise protocols, achieving near-100% membership-inference success against Orchard and DP-BREM+; engineers building federated analytics or DP aggregation pipelines should audit whether their noise-sampling implementation uses the vulnerable scaling approach.&lt;/li>
&lt;li>&lt;strong>SOC/IR — Skip&lt;/strong>&lt;/li>
&lt;li>&lt;strong>Leader — Skip&lt;/strong>&lt;/li>
&lt;/ul></description></item></channel></rss>