cisagov/CSAF
Oct 2024 – Oct 2025
13 Months active
Languages Used
AsciiDocJSONASCASCIIPGPShellCSVText
Technical Skills
CryptographyData ManagementSecurityData IntegrityFile ManagementSecurity Compliance
Matthew Stradling
PROFILE
Matthew Stradling
Matthew Stradling engineered and maintained the cisagov/CSAF repository, delivering a robust pipeline for publishing, verifying, and curating cybersecurity advisories. Over 13 months, he implemented end-to-end cryptographic integrity using PGP signatures and SHA-512 checksums, ensuring advisories remained authentic and auditable. His work included large-scale data ingestion, archival, and metadata management, with careful attention to file integrity and compliance with evolving CSAF standards. Leveraging skills in cryptography, data management, and shell scripting, Matthew addressed both feature delivery and critical bug fixes, resulting in a reliable, traceable dataset that supports downstream analytics, regulatory reporting, and secure vulnerability disclosure workflows.
Overall Statistics
Feature vs Bugs
60%Features
Repository Contributions
47Total
Bugs
8
Commits
47
Features
12
Lines of code
1,427,716
Activity Months13
Your Network
61 people
Work History
October 2025
1 Commits
Oct 1, 2025October 2025 monthly summary for cisagov/CSAF focused on security and integrity improvements. Delivered a targeted CSAF Integrity Verification Update to ensure SHA512 checksums and PGP signatures for CSAF JSON files align with current contents, strengthening trust across downstream consumers and compliance with verification standards.
1 Commits
Oct 1, 2025October 2025 monthly summary for cisagov/CSAF focused on security and integrity improvements. Delivered a targeted CSAF Integrity Verification Update to ensure SHA512 checksums and PGP signatures for CSAF JSON files align with current contents, strengthening trust across downstream consumers and compliance with verification standards.
October 2025
September 2025
4 Commits • 1 Features
Sep 1, 2025September 2025 Monthly Summary for cisagov/CSAF: Key data integrity improvements and artifact verification updates were delivered. The work focused on fixing OT path references and updating cryptographic metadata to reflect current publications, reinforcing trust, traceability, and reliability for vulnerability advisories.
September 2025
4 Commits • 1 Features
Sep 1, 2025September 2025 Monthly Summary for cisagov/CSAF: Key data integrity improvements and artifact verification updates were delivered. The work focused on fixing OT path references and updating cryptographic metadata to reflect current publications, reinforcing trust, traceability, and reliability for vulnerability advisories.
August 2025
1 Commits
Aug 1, 2025Monthly summary for 2025-08: Focused on data accuracy and reliability in CSAF workflows. No new user-facing features were delivered this month. Major bug fix: corrected the association of Product Identifier (PID) with remediations in cisagov/CSAF to ensure accurate tracking and management of security advisories. This fix enhances traceability, reporting accuracy, and downstream remediation analytics. Commits addressing the change include 55aacb1b6243e9f2dd99b874944ba8a1785153e6. Overall impact: improved data integrity, reduced risk of misattribution in security advisories, and smoother governance reporting. Technologies/skills demonstrated: Git-based collaboration, debugging data-model mappings in CSAF, adherence to CSAF schema for PID-remediation relationships, and evaluation of change impact on downstream analytics.
1 Commits
Aug 1, 2025Monthly summary for 2025-08: Focused on data accuracy and reliability in CSAF workflows. No new user-facing features were delivered this month. Major bug fix: corrected the association of Product Identifier (PID) with remediations in cisagov/CSAF to ensure accurate tracking and management of security advisories. This fix enhances traceability, reporting accuracy, and downstream remediation analytics. Commits addressing the change include 55aacb1b6243e9f2dd99b874944ba8a1785153e6. Overall impact: improved data integrity, reduced risk of misattribution in security advisories, and smoother governance reporting. Technologies/skills demonstrated: Git-based collaboration, debugging data-model mappings in CSAF, adherence to CSAF schema for PID-remediation relationships, and evaluation of change impact on downstream analytics.
August 2025
July 2025
4 Commits • 1 Features
Jul 1, 2025July 2025 — cisagov/CSAF: Key delivery and reliability improvements focused on expanding advisories data assets and hardening data integrity to support analytics, auditing, and compliance workflows. 1) Key features delivered - CSA Advisories Data Ingestion: Import CSAF advisories (2010-2014) with groundwork to extend to 2010-2016, enabling dataset expansion and archival capabilities. Commit: 2a6e014f35aa11c0c2088a0d59fdbe4b76a2c03c (message: "2010-2016 CSAFs"). 2) Major bugs fixed - CSA Advisories Integrity Corrections and Updates: Update and correct PGP signatures and SHA512 hashes for CSAF advisory files, including new 2025 files and metadata adjustments to reflect publication dates. Commits: 62c1f82ce2bb7709d11711edbe2d6366e2c75d86 (Advisory Fix), 6b87c818afaba50bddd636ce06bfc92ca58be994 (July 22 Publications), 4a930b8bbfe7526e8539e673fd9e3e0eb778291c (July 24th publications). 3) Overall impact and accomplishments - Improved data trust and reliability for downstream analytics, auditability, and release automation. Established a scalable path for expanding CSAF advisories (2010-2016) and a robust baseline for 2025 data incorporation. 4) Technologies/skills demonstrated - Data ingestion pipelines, cryptographic integrity validation (PGP and SHA512), metadata management, and Git-based release management; stronger data governance to support risk intelligence and compliance workflows.
July 2025
4 Commits • 1 Features
Jul 1, 2025July 2025 — cisagov/CSAF: Key delivery and reliability improvements focused on expanding advisories data assets and hardening data integrity to support analytics, auditing, and compliance workflows. 1) Key features delivered - CSA Advisories Data Ingestion: Import CSAF advisories (2010-2014) with groundwork to extend to 2010-2016, enabling dataset expansion and archival capabilities. Commit: 2a6e014f35aa11c0c2088a0d59fdbe4b76a2c03c (message: "2010-2016 CSAFs"). 2) Major bugs fixed - CSA Advisories Integrity Corrections and Updates: Update and correct PGP signatures and SHA512 hashes for CSAF advisory files, including new 2025 files and metadata adjustments to reflect publication dates. Commits: 62c1f82ce2bb7709d11711edbe2d6366e2c75d86 (Advisory Fix), 6b87c818afaba50bddd636ce06bfc92ca58be994 (July 22 Publications), 4a930b8bbfe7526e8539e673fd9e3e0eb778291c (July 24th publications). 3) Overall impact and accomplishments - Improved data trust and reliability for downstream analytics, auditability, and release automation. Established a scalable path for expanding CSAF advisories (2010-2016) and a robust baseline for 2025 data incorporation. 4) Technologies/skills demonstrated - Data ingestion pipelines, cryptographic integrity validation (PGP and SHA512), metadata management, and Git-based release management; stronger data governance to support risk intelligence and compliance workflows.
June 2025
7 Commits • 3 Features
Jun 1, 2025June 2025 CSAF monthly highlights for cisagov/CSAF. Delivered three new CSAF advisories for June 3, 2025 (icsa-25-153-01/02/03) with PGP signatures and SHA-512 checksums; performed dataset integrity improvements and cleanup (19-029-02 updates and rolie entries); added a republication notice to the README clarifying vendor partner CSAs republishment and preserved dates and revision histories; reverted a change related to 119-04 to restore the previous json.asc and sha512 state; and reran the Rolie data processing task to ensure up-to-date results with no code changes. These efforts improve publication verifiability, data integrity, and process transparency, while maintaining stable, reproducible data pipelines.
7 Commits • 3 Features
Jun 1, 2025June 2025 CSAF monthly highlights for cisagov/CSAF. Delivered three new CSAF advisories for June 3, 2025 (icsa-25-153-01/02/03) with PGP signatures and SHA-512 checksums; performed dataset integrity improvements and cleanup (19-029-02 updates and rolie entries); added a republication notice to the README clarifying vendor partner CSAs republishment and preserved dates and revision histories; reverted a change related to 119-04 to restore the previous json.asc and sha512 state; and reran the Rolie data processing task to ensure up-to-date results with no code changes. These efforts improve publication verifiability, data integrity, and process transparency, while maintaining stable, reproducible data pipelines.
June 2025
May 2025
4 Commits • 1 Features
May 1, 2025May 2025 CSAF work focused on delivering a timely, trusted advisories dataset for customers and strengthening data integrity in cisagov/CSAF. Key outcomes include the integration of the May 1, 2025 CSAF publication, refresh of 2025 advisories, and metadata/index updates to enable accurate, up-to-date advisory information. In parallel, data integrity for ICSA-25-070-01 was improved by correcting typographical errors in PGP signatures and SHA-512 checksums and updating the last modified date in changes.csv to reflect accuracy.
May 2025
4 Commits • 1 Features
May 1, 2025May 2025 CSAF work focused on delivering a timely, trusted advisories dataset for customers and strengthening data integrity in cisagov/CSAF. Key outcomes include the integration of the May 1, 2025 CSAF publication, refresh of 2025 advisories, and metadata/index updates to enable accurate, up-to-date advisory information. In parallel, data integrity for ICSA-25-070-01 was improved by correcting typographical errors in PGP signatures and SHA-512 checksums and updating the last modified date in changes.csv to reflect accuracy.
April 2025
3 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for cisagov/CSAF: Implemented File Integrity and Metadata Refresh for April Advisories. Updated CSAF advisory files to refresh cryptographic signatures and SHA-512 checksums, added new CSAF files, and revised publication metadata to reflect April advisories, ensuring integrity and authenticity. This work enhances supply-chain security, auditability, and trust in published advisories. Three commits were recorded: 7ff6b70cabc12dcb92d6bb29eef61365884452da, 7c1170d516f93880623bd9605d75a6b58f55ae04, ad4c2165b78dc86836010e982a6f69b634f0d8ff.
3 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for cisagov/CSAF: Implemented File Integrity and Metadata Refresh for April Advisories. Updated CSAF advisory files to refresh cryptographic signatures and SHA-512 checksums, added new CSAF files, and revised publication metadata to reflect April advisories, ensuring integrity and authenticity. This work enhances supply-chain security, auditability, and trust in published advisories. Three commits were recorded: 7ff6b70cabc12dcb92d6bb29eef61365884452da, 7c1170d516f93880623bd9605d75a6b58f55ae04, ad4c2165b78dc86836010e982a6f69b634f0d8ff.
April 2025
March 2025
2 Commits • 1 Features
Mar 1, 2025March 2025: Delivered verifiable CSAF advisories through batch publications for cisagov/CSAF (March 18 and March 20, 2025). Implemented new advisories icsa-25-077-01.json.asc with SHA512 and added advisories icsa-25-079-01 through icsa-25-079-04 plus icsma-25-079-01 with corresponding .json.asc/.json.sha512 and updated index/changes.csv. Two release commits captured these publications: 2a96aa9756b30b875f44e25e9db234f231b9a484 and 3bd5fe3f5a44d6fcb2f09300bc026df226ec30aa. Impact: strengthens supply-chain security, enables verifiable advisories for downstream systems, and improves auditability via changelog maintenance. Technologies/skills demonstrated: CSAF publication workflow, cryptographic signatures (SHA-512), artifact packaging (.asc/.sha512/.json), JSON artifact handling, index/changes.csv maintenance, Git-based release discipline.
March 2025
2 Commits • 1 Features
Mar 1, 2025March 2025: Delivered verifiable CSAF advisories through batch publications for cisagov/CSAF (March 18 and March 20, 2025). Implemented new advisories icsa-25-077-01.json.asc with SHA512 and added advisories icsa-25-079-01 through icsa-25-079-04 plus icsma-25-079-01 with corresponding .json.asc/.json.sha512 and updated index/changes.csv. Two release commits captured these publications: 2a96aa9756b30b875f44e25e9db234f231b9a484 and 3bd5fe3f5a44d6fcb2f09300bc026df226ec30aa. Impact: strengthens supply-chain security, enables verifiable advisories for downstream systems, and improves auditability via changelog maintenance. Technologies/skills demonstrated: CSAF publication workflow, cryptographic signatures (SHA-512), artifact packaging (.asc/.sha512/.json), JSON artifact handling, index/changes.csv maintenance, Git-based release discipline.
February 2025
4 Commits • 1 Features
Feb 1, 2025February 2025 CSAF publication work focused on delivering secure, verifiable advisories and maintaining auditability for February updates. All published advisories include cryptographic integrity metadata and are aligned with CSAF standards.
4 Commits • 1 Features
Feb 1, 2025February 2025 CSAF publication work focused on delivering secure, verifiable advisories and maintaining auditability for February updates. All published advisories include cryptographic integrity metadata and are aligned with CSAF standards.
February 2025
January 2025
4 Commits • 1 Features
Jan 1, 2025Month: 2025-01 — Concise monthly summary for cisagov/CSAF focusing on key features delivered, major fixes (if any), impact, and skills demonstrated.
January 2025
4 Commits • 1 Features
Jan 1, 2025Month: 2025-01 — Concise monthly summary for cisagov/CSAF focusing on key features delivered, major fixes (if any), impact, and skills demonstrated.
December 2024
9 Commits • 1 Features
Dec 1, 2024For cisagov/CSAF, December 2024 activity focused on strengthening data integrity and ensuring timely dissemination of advisory data. The month delivered a comprehensive refresh of cryptographic protections and an update set that keeps CSAF JSON advisories authentic and auditable, while also improving data discoverability for downstream systems.
9 Commits • 1 Features
Dec 1, 2024For cisagov/CSAF, December 2024 activity focused on strengthening data integrity and ensuring timely dissemination of advisory data. The month delivered a comprehensive refresh of cryptographic protections and an update set that keeps CSAF JSON advisories authentic and auditable, while also improving data discoverability for downstream systems.
December 2024
November 2024
3 Commits • 1 Features
Nov 1, 2024Month: 2024-11 — Focused on strengthening the security and integrity of CSAF advisories by implementing comprehensive cryptographic verification metadata updates. This release adds PGP signatures and SHA-512 checksums for CSAF/ICSA advisories and covers the new November 7 ICSAs as well as updates for 2021, 2023, and 2024 publications to ensure data integrity and authenticity across advisories.
November 2024
3 Commits • 1 Features
Nov 1, 2024Month: 2024-11 — Focused on strengthening the security and integrity of CSAF advisories by implementing comprehensive cryptographic verification metadata updates. This release adds PGP signatures and SHA-512 checksums for CSAF/ICSA advisories and covers the new November 7 ICSAs as well as updates for 2021, 2023, and 2024 publications to ensure data integrity and authenticity across advisories.
October 2024
1 Commits
Oct 1, 2024Concise monthly summary for 2024-10 focusing on business value and technical achievements for cisagov/CSAF. This period focused on data integrity and inventory accuracy to ensure trusted CSAF distributions and regulatory-aligned reporting.
1 Commits
Oct 1, 2024Concise monthly summary for 2024-10 focusing on business value and technical achievements for cisagov/CSAF. This period focused on data integrity and inventory accuracy to ensure trusted CSAF distributions and regulatory-aligned reporting.
October 2024
Activity
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Quality Metrics
Correctness97.8%
Maintainability97.8%
Architecture97.4%
Performance97.8%
AI Usage20.0%
Skills & Technologies
Programming Languages
ASCASCIIAsciiAsciiDocCSVJSONMarkdownPGPShellText
Technical Skills
ChecksummingCryptographic HashingCryptographyCybersecurityCybersecurity Automation Framework (CSAF)Data ArchivalData CurationData IngestionData IntegrityData ManagementDocumentationFile IndexingFile IntegrityFile ManagementFile Path Correction
Repositories Contributed To
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