October 2025 performance summary: Expanded detection coverage and configuration-driven rule management across Sublime Rules and Static Files repos. Key features delivered include: (1) Brand impersonation rule expansions with new YAML configurations and enhanced fake drive share logic for DocuSign, Shein, Square, and AWS; (2) New link-based and file-sharing rules for pretenses and suspicious content; (3) SSA impersonation rule enhancements with confusables and logo checks and the new TD Bank impersonation rule; (4) Impersonation rule renames and refactors for clearer semantics and maintainability; (5) Detection and reliability improvements across mobile solicitation regex, credential_phishing_reauthentication, Adobe Creative Cloud abuse, topic modeling for extortion, SAP unsolicited attachments, and related YAML-driven configurations; plus URL shortener domain list update in static-files and a YAML syntax fix. Impact: broader coverage, higher detection accuracy, faster rule deployment via YAML-driven configurations, and stronger business value through reduced risk exposure.

September 2025 performance summary: Delivered major detection and automation enhancements across sublime-rules and static-files to bolster security signals, reduce false positives, and streamline engineering workflows. Key outcomes include improved phishing and credential fraud coverage, automated governance for external contributions, and expanded onboarding controls for customers.

August 2025 performance summary for Sublime Security. Delivered a focused set of detection-rule enhancements and maintainability improvements across the Sublime Rules and Static Files repositories, driving stronger phishing/impersonation defense and faster incident triage. Key features delivered: - Phishing and Impersonation Detection Rules: Added seven new YAML rules to identify phishing, impersonation, brand abuse, and suspicious link behavior across multiple platforms (e.g., Disney brand impersonation, predatory journal solicitations, Trello links, FreshDesk redirections, romance-language with suspicious links, HTML prompt injections, and MyActiveCampaign abuse). Notable commits include 1d9a97b70362516a68abb0bfb996e63878233d5a, 003745bd421bec4b010cddf671be631a1d6960df, 8216787da9c382389a39c075e21a0cac56af2050, e421e94f563f5957b859273d0e0fdbbdb925d961, 538b4f0915dde104bf63a123d83563813d79c25e, 08b717913c975f6de341d89b639eb73d4fb9c824, 0f7da4e2c4cb37234b9d6b8385e808250da7b603. - Impersonation Rule Accuracy improvements: Refined detection to reduce false positives and increase reliability, including more precise Twitter impersonation checks and extended validation for Microsoft Forms domain patterns. Commits: 5f6811b2f05b983912a94344bd20c5d98409cb1f, 130d897f9e6fe3c0b783e9616c70d7ab5566d9b8. - Salesforce Detection Rule Expansion: Added a Not Specified category to the X-SFDC-EmailCategory filter to broaden coverage of infrastructure abuse scenarios. Commit: 677a2cc38fdfdd95e8fd20fddadf234641b0dffb. - Detection Rule Naming Consistency Refactor: Standardized sentence casing across detection rule names for readability and maintainability. Commit: af3e3cb78f2363497b36910a2bf146476aa10bdf. - Repositories touched: sublime-security/sublime-rules (primary), sublime-security/static-files (URL shorteners allowlist update). - Additional update: URL Shorteners Allowlist Expansion adding urlfy.me to url_shorteners.txt (Commit: 904e778dcaa37b1d689d22fbea96a25e4e5cd55a). Major impact: - Strengthened security posture with broader, more accurate detection across popular platforms and channels. - Reduced noise and faster triage due to improved rule readability and consistency. - Improved maintainability and scalability of detection rules through standardized naming and centralized updates. Technologies/skills demonstrated: - YAML-based rule authoring and multi-repo collaboration - Cross-platform threat detection coverage (email, web, CRM) and URL handling - Data-driven tuning to reduce false positives - Attention to naming conventions and maintainability Business value: - Lowered risk of phishing, brand impersonation, and link-based abuse. - Faster incident response through clearer, more reliable rules. - Improved governance and readability for security engineering teams.

July 2025 monthly summary: Delivered substantial security and reliability enhancements across two repositories (sublime-security/static-files and sublime-security/sublime-rules), driving business value through improved deliverability, broader hosting/URL processing options, and stronger threat detection. Key areas included: 1) Email deliverability and hosting expansions in static-files: extended high-trust sender root domains with mail.microsoft, okta-gov.com, and betterstack.com; added free subdomain hosts (awsapprunner.com, softr.app); updated social landing hosts (link.gallery); and expanded URL shorteners (flowto.it, bitly.cx, n9.cl). 2) Security rule hardening and threat detection in sublime-rules: implemented open redirect detections, expanded brand impersonation and credential phishing rules, strengthened spam/social-engineering detection, and introduced BI regex-based display-name matching. 3) Impersonation risk reduction and rule coverage: added negation and risk-reduction logic for direct messages, legitimate notifications (DocuSign/SharePoint), and broadened impersonation checks across major service providers. 4) Data-quality and operational improvements: enhanced detection coverage and rule orchestration to reduce false positives while improving response times. 5) Technologies demonstrated: YAML-based policy configuration, regex.icontains optimizations, data-driven rule expansions, and cross-repo collaboration to scale threat coverage.

June 2025 monthly summary for Sublime Security: Delivered expanded hosting and trust signals, enriched data sources, and strengthened detection capabilities across two repositories, improving user onboarding, email deliverability, and phishing/imitation defense with deeper analytics.

2025-05 monthly summary for Sublime Security: Expanded impersonation detection, phishing indicators, and delivery-channel protections across Sublime Rules and static-files. Delivered cross-platform detectors, new impersonation templates, and sender profile updates; reduced quarantine false positives while strengthening brand impersonation safeguards and credential phishing coverage.

April 2025 monthly summary for sublime-security repositories focused on strengthening brand protection, phishing detection, and operational efficiency through template-driven rules and domain support. Delivered extensive abuse, impersonation, and phishing templates across rules and static-files, expanded high-trust and allowlists, and enforced attachment handling. The work reduces brand impersonation risk, improves incident response, and enhances email deliverability and detection coverage.

March 2025 highlights: Delivered end-to-end brand impersonation and abuse detection across Booking.com, Twitter, WeTransfer, and FedEx; established infra abuse monitoring for Recruitee; expanded fraud-detection coverage with COVID-19 scams and credential-phishing improvements; added Google Drive auto-download link detection and detection of suspicious RFQ/RP patterns; updated suspicious subject generation and fixed naming inconsistencies; rolled out extensive impersonation templates across PayPal, Microsoft Forms, HR impersonation, decoy attachments, Chrome Web Store policy, and Google Drive file sharing; created brand impersonation templates for SendGrid, Vanguard, and TikTok; expanded static-files allowed hosts (claude.site, gamma.app, form.jotform.com, envoy.com). This work strengthens brand risk coverage, reduces exposure to fraud, and improves incident response readiness.

February 2025 monthly summary for Sublime Security. Delivered comprehensive rule and domain configuration enhancements across two repositories, elevating threat detection, alert reliability, and deliverability. Achievements span enhanced spam and credential-phishing detection, attachment/QR-code threat indicators, and updated email/domain whitelists to improve trust scoring and reduce exposure to impersonation.

In January 2025, delivered a comprehensive set of phishing protection and spam-control updates across Sublime Rules to strengthen detection, reduce false negatives, and accelerate response. Implemented multi-vector configuration updates across two repositories (sublime-rules and static-files) that broadened coverage for customers including Intuit, Zoho, SharePoint, Google, Microsoft, Hulu, Netflix, Wells Fargo, and others. Key work spanned Callback Phishing, Link-based phishing indicators, Impersonation and Brand Impersonation, Spam controls, Credential Phishing notifications, and new risk rules, plus expansion of trusted domains and URL shorteners in static-files. All changes were implemented via YAML-driven config updates with traceable commit history (2 repos, 30+ commits), enabling production-ready policy updates with clear audit trails. The initiative improved detection accuracy, reduced exposure to emerging phishing tactics, and strengthened governance around impersonation and mass phishing campaigns.

December 2024 monthly summary focusing on key achievements in threat detection content across Sublime Rules and platform improvements. Delivered broad impersonation phishing detection, attachment-based defenses, and abuse detection, along with a critical security bug fix and platform expansion to subdomain hosting. The work enhances risk reduction, faster detection, and safer user experiences across customer environments.

November 2024 monthly performance summary for Sublime Security: Delivered a broad expansion of detection capabilities across sublime-rules and static-files, focusing on credential phishing, domain-specific redirects, document fraud, impersonation, and fraud-based workflows. Implemented data-driven rule updates via YAML rule files, enhanced OCR cues, improved regex accuracy, and introduced YARA-based detections. Extended free-host configuration to Issuu, enabling rapid policy changes without code deployments. The combined work strengthens our security posture, accelerates signal generation, and provides richer telemetry for incident response. Key initiatives and outcomes: - Expanded credential phishing and link analysis: consolidated enhancements across multiple YAML rules to recognize VoIP provider domains, exclude routine replies, detect suspicious EML attachments, and improve link-level analysis. Commits include updates to link_credential_phishing_voicemail_language.yml, link_credential_phishing_intent_and_other_indicators.yml, link_content_credential_phishing.yml, and attachment_eml_suspicious_indicators.yml. - Domain-targeted open redirect detection: added rules to flag redirects targeting specific domains to catch credential phishing via malicious redirects. Commits: open_redirect_slubnaglowie.yml and open_redirect_typedrawers.yml. - DocuSign risk assessment improvements: enhanced detection of malicious attachments/links and OCR cues like Certificate Of Completion. Commits: attachment_docusign_suspicious_links.yml updates. - BEC/financial fraud detection enhancements: introduced suspicious financial information requests and refined financial-term regex to improve detection accuracy. Commits: suspicious_request_financial.yml updates. - IdP verification code detection: new rule to surface identity-provider verification codes indicating potential account takeover. Commit: new_account_verification_code.yml. - Forms and iCloud private relay detection: improved recognition of Microsoft Forms links and communications routed through Apple iCloud Private Relay. Commits: link_dynamics_form.yml, icloud_private_relay.yml. - Extortion and QR code detection refinements: broaden extortion detection patterns for delay-based payments and data deletion actions; refine QR code detection to reduce false positives. Commits: body_extortion.yml, qr_code_suspicious_indicators.yml. - Impersonation and brand safety improvements: expanded SharePoint impersonation detection and refined Hulu brand impersonation matching to reduce noise. Commits: impersonation_sharepoint_fake_file_share.yml, brand_impersonation_hulu.yml. - Unsolicited job scam detection with NLP: introduced NL classifier to identify greetings and recipient anomalies in job scam emails. Commit: body_job_scam_unsolicited.yml. - Malformed OLE detection: added YARA-based rule to catch evasion techniques in OLE files. Commit: malformed_ole_header rule and yara. - Static-files: Issuu.com added to free file hosts to broaden service coverage without code changes. Commit: Adding issuu.com to free file hosts. Impact: These enhancements expand coverage across phishing, BEC, impersonation, and fraud detection while reducing false positives and improving incident-response readiness. The changes enable faster triage, richer detection telemetry, and safer user interactions with external resources.

October 2024 monthly summary for sublime-security/sublime-rules: Key features delivered include Threat Detection Rule Enhancements for Suspicious Senders and Open Redirect Prevention. Major bugs fixed: none reported; security improvements were achieved through new detection rules to reduce phishing risk. Overall impact: improved detection accuracy and broader coverage across multiple domains, strengthening prevention of credential phishing with minimal maintenance overhead. Technologies/skills demonstrated: YAML rule authoring, threat-detection engineering, cross-domain rule coverage, git-based collaboration, and security automation.