cisagov/CSAF
Oct 2024 – Jun 2026
21 Months active
Languages Used
AsciiDocJSONASCASCIIPGPShellCSVText
Technical Skills
CryptographyData ManagementSecurityData IntegrityFile ManagementSecurity Compliance
Matthew Stradling
PROFILE
Matthew Stradling
Worked extensively on the cisagov/CSAF repository to deliver secure, verifiable cybersecurity advisories and maintain high data integrity across a multi-year span. Focused on automating cryptographic signing, checksumming, and validation of JSON-based advisories using Python and Git, ensuring each release met compliance and audit requirements. Enhanced data ingestion, archival, and metadata management pipelines, while implementing tools for Markdown conversion and CISA-aligned validation. Addressed bugs related to file integrity, path correction, and schema adherence, and contributed to vulnerability assessment and reporting workflows. The work enabled reliable downstream analytics, improved traceability, and strengthened the overall security posture of advisory publications.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
69Total
Bugs
11
Commits
69
Features
22
Lines of code
1,557,732
Activity Months21
Your Network
70 peopleSame Organization
@inl.gov60
Shared Repositories
10
Art ManionMember
Art ManionMember
cameron-stephensMember
Christopher PetersonMember
Derek VranesMember
Eoin Wilson-ManionMember
Israel BentleyMember
Joseph CoronaVazquezMember
Kevin HarwoodMember
Work History
June 2026
2 Commits • 1 Features
Jun 1, 2026June 2026 performance summary for cisagov/CSAF: Delivered security-focused enhancements to CSAF data integrity and validation, including updated JSON hash checksums and a new cisareqcheck validator aligned with CISA requirements. Fixed a hash checksum bug to improve reliability of integrity verification. These changes reduce downstream risk, strengthen compliance posture, and demonstrate solid security engineering practices.
2 Commits • 1 Features
Jun 1, 2026June 2026 performance summary for cisagov/CSAF: Delivered security-focused enhancements to CSAF data integrity and validation, including updated JSON hash checksums and a new cisareqcheck validator aligned with CISA requirements. Fixed a hash checksum bug to improve reliability of integrity verification. These changes reduce downstream risk, strengthen compliance posture, and demonstrate solid security engineering practices.
June 2026
May 2026
4 Commits • 1 Features
May 1, 2026May 2026 CSAF monthly summary for cisagov/CSAF. Delivered data integrity enhancements for product feeds and data files, plus updated cybersecurity advisories for Schneider Electric, ABB, and Mitsubishi Electric. These efforts improved data quality, release accuracy, and risk communication, enabling reliable downstream processing and proactive vulnerability guidance.
May 2026
4 Commits • 1 Features
May 1, 2026May 2026 CSAF monthly summary for cisagov/CSAF. Delivered data integrity enhancements for product feeds and data files, plus updated cybersecurity advisories for Schneider Electric, ABB, and Mitsubishi Electric. These efforts improved data quality, release accuracy, and risk communication, enabling reliable downstream processing and proactive vulnerability guidance.
April 2026
1 Commits • 1 Features
Apr 1, 2026Concise monthly summary for 2026-04 highlighting key business value and technical achievements in the cisagov/CSAF repository. Focused on updating and expanding CSAF advisories to improve vulnerability disclosure, remediation guidance, and overall security posture for OT/ICS components.
1 Commits • 1 Features
Apr 1, 2026Concise monthly summary for 2026-04 highlighting key business value and technical achievements in the cisagov/CSAF repository. Focused on updating and expanding CSAF advisories to improve vulnerability disclosure, remediation guidance, and overall security posture for OT/ICS components.
April 2026
March 2026
1 Commits
Mar 1, 2026March 2026 monthly summary focusing on key accomplishments in the cisagov/CSAF repository. Delivered data hygiene improvements for ICSA advisories and ensured data accuracy for downstream consumers and automation.
March 2026
1 Commits
Mar 1, 2026March 2026 monthly summary focusing on key accomplishments in the cisagov/CSAF repository. Delivered data hygiene improvements for ICSA advisories and ensured data accuracy for downstream consumers and automation.
February 2026
3 Commits • 2 Features
Feb 1, 2026February 2026 monthly summary for cisagov/CSAF focusing on key features delivered, major bug fixes, and overall impact. Repository: cisagov/CSAF. Delivered features and data-quality improvements to security advisories, expanding coverage and improving readability for stakeholders and users.
3 Commits • 2 Features
Feb 1, 2026February 2026 monthly summary for cisagov/CSAF focusing on key features delivered, major bug fixes, and overall impact. Repository: cisagov/CSAF. Delivered features and data-quality improvements to security advisories, expanding coverage and improving readability for stakeholders and users.
February 2026
January 2026
7 Commits • 2 Features
Jan 1, 2026January 2026 CSAF work overview for cisagov/CSAF: Key features delivered include multi-vendor CSAF advisories publication and updates (Columbia Weather Systems, Mitsubishi Electric Iconics, Rockwell Automation, YoSmart, Schneider Electric) with vulnerability details, mitigations, researcher acknowledgments, and versioning; and enhanced data integrity for JSON assets via updated PGP signatures and SHA512 hashes. Major bugs fixed: issues #332-#334 in the publication pipeline; housekeeping tasks to stabilize releases. Overall impact: faster, more accurate vulnerability communications across vendors, improved data integrity and traceability, and stronger compliance readiness. Technologies/skills: CSAF framework, cryptography (PGP, SHA-512), release automation, multi-vendor coordination, versioning, and strong data integrity checks.
January 2026
7 Commits • 2 Features
Jan 1, 2026January 2026 CSAF work overview for cisagov/CSAF: Key features delivered include multi-vendor CSAF advisories publication and updates (Columbia Weather Systems, Mitsubishi Electric Iconics, Rockwell Automation, YoSmart, Schneider Electric) with vulnerability details, mitigations, researcher acknowledgments, and versioning; and enhanced data integrity for JSON assets via updated PGP signatures and SHA512 hashes. Major bugs fixed: issues #332-#334 in the publication pipeline; housekeeping tasks to stabilize releases. Overall impact: faster, more accurate vulnerability communications across vendors, improved data integrity and traceability, and stronger compliance readiness. Technologies/skills: CSAF framework, cryptography (PGP, SHA-512), release automation, multi-vendor coordination, versioning, and strong data integrity checks.
December 2025
2 Commits • 1 Features
Dec 1, 2025Monthly Summary for 2025-12 focusing on cisagov/CSAF: Delivered Siemens CSAF advisory update addressing OpenSSL vulnerabilities and a data integrity fix (CVE URL typo and JSON timestamp).
2 Commits • 1 Features
Dec 1, 2025Monthly Summary for 2025-12 focusing on cisagov/CSAF: Delivered Siemens CSAF advisory update addressing OpenSSL vulnerabilities and a data integrity fix (CVE URL typo and JSON timestamp).
December 2025
November 2025
2 Commits • 2 Features
Nov 1, 2025In 2025-11, delivered security-focused enhancements in cisagov/CSAF including MITM mitigation for ISO 15118 and updated CSAF advisories for Siemens products, strengthening vulnerability management and secure communications. The work improves risk posture, enables timely guidance for security updates, and demonstrates end-to-end traceability from commits to business value.
November 2025
2 Commits • 2 Features
Nov 1, 2025In 2025-11, delivered security-focused enhancements in cisagov/CSAF including MITM mitigation for ISO 15118 and updated CSAF advisories for Siemens products, strengthening vulnerability management and secure communications. The work improves risk posture, enables timely guidance for security updates, and demonstrates end-to-end traceability from commits to business value.
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
Correctness96.6%
Maintainability94.6%
Architecture95.6%
Performance94.8%
AI Usage22.6%
Skills & Technologies
Programming Languages
ASCASCIIAsciiAsciiDocCSVJSONMarkdownPGPPythonShell
Technical Skills
ChecksummingCryptographic HashingCryptographyCybersecurityCybersecurity Automation Framework (CSAF)Data ArchivalData CurationData IngestionData IntegrityData ManagementData ProcessingData ValidationDocumentationFile IndexingFile Integrity
Repositories Contributed To
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