Security architecture · vulnerability remediation

I connect risk
to action.

I help teams prioritize vulnerability work, assign remediation owners, and verify closure with evidence.

Proof
Coordinated HSM vulnerability remediation
Method
Findings, affected assets, owners, validation
Outcome
Owners, deadlines, status, and escalation

Start here

My work. Two perspectives.

My enterprise experience and my independent, AI-assisted project. Separate work. Clear boundaries.

Questions about my synthetic project? Open ASTA Guide

Review scope

AI assistant permissions & boundary review.

I review what an assistant can access, what it can do, and where human approval is required.

I agree on systems, access, safe tests, and exclusions with you before testing.

Tell me your goals. Keep credentials and sensitive data out. We agree on scope and deliverables first.

Review approved access and permission boundaries

Test only the agreed actions and systems

Document tested actions, observed results, and recommended fixes

Hand off findings and next steps; negotiate a retest if needed

Experience and credentials

Experience and results.

My experience, credentials, and selected results. Review my résumé and portfolio for the details.

Google Maps · Email QA guideI created a step-by-step email QA guide for Google Maps Local Guides with developers and the program manager.
Navy and Marine Corps Achievement MedalI earned the medal during U.S. Navy service; I also maintained 99.6% inventory validity.
Selected experience

Experience in finance, technology, and U.S. Navy submarine service.

Review résumé

Alfe Corona · Selected experience

Work delivered at each organization.

Remediation coordination, audit readiness, and testing documentation.

Professional recommendations

What colleagues and leaders say.

Perspectives from people who have managed my work or collaborated with me.

Caryn Woodruff

Caryn Woodruff

Former direct manager

“Alfe is a skilled security and compliance professional. He possesses excellent problem-solving and analytical skills and is able to effectively identify and mitigate potential risks and vulnerabilities.”

LinkedIn

Ami Diaz, CRISC, CDPSE

Ami Diaz, CRISC, CDPSE

Former direct manager

“His work is meticulous and conclusions are well-developed. He also shares insights and best practices with his peers. He was a great asset to the team.”

LinkedIn

Ryan Inagaki

Ryan Inagaki

Former colleague

“During his tenure, I was consistently impressed by his deep understanding of the industry's best practices and regulations.”

LinkedIn

Joel Pichardo

Joel Pichardo

Cybersecurity peer

“Alfe is the kind of cybersecurity expert you hope to have on your team.”

LinkedIn

View recommendations on LinkedIn

Operator perspective

How I coordinated vulnerability work.

At Wells Fargo, I coordinated HSM vulnerability remediation and documented an application-vulnerability process.

I used teams’ preferred channels and weekly follow-ups to clarify owners, deadlines, and escalation. I reconciled findings with remediation and validation status.

Read the coordination case study
Portrait of Alfe Corona

Security leadership perspectives

CyberTainment TV

Videos on vulnerability priorities, remediation ownership, and the evidence needed to confirm closure.

Watch the series on YouTube

Featured episode

Why Your Vulnerability Spreadsheet Is the Breach.

How exploitability, affected systems, and validation checks help teams prioritize vulnerability work.Watch episode

Approach

Prioritize findings. Assign owners. Verify closure.

I review finding evidence and business context, agree on remediation owners and next steps, and check whether the closure criteria were met.

Connect findings to assets and owners

Check evidence before escalation

Prioritize by exploitability and business impact

Agree on owners, deadlines, and closure checks

Direct answers

How prioritization and closure work.

What is cyber exposure architecture?

In this portfolio, cyber exposure architecture connects vulnerability findings to affected assets, business importance, controls, and remediation owners. Exposure Control demonstrates these links with fictional data.

How do organizations prioritize vulnerabilities by business risk?

Consider exploitability, whether the asset can be reached, its business importance, data sensitivity, and existing controls. Assign an owner and use those factors to decide which findings need attention first.

How does exposure control connect engineering, architecture, and executives?

The synthetic Exposure Control project shows finding priorities, affected applications, remediation owners, and closure checks. Engineers and leaders can inspect the same records when deciding what to fix and what remains open.

What does evidence-gated closure mean?

Closure requires validation data confirming that the finding was resolved or meets an approved control criterion. Without that evidence, the finding stays open or returns to remediation.

Explore my synthetic Exposure Control project.

Connect

Start a conversation.

Tell me the role, project, or speaking topic. Include the next step. Keep confidential information out.

Send me the context