Episode

EP 144 — Rachel

02 April 2024 Official episode · Official transcript

penetration test social engineering

Rachel Tobac describes social-engineering penetration tests involving customer-support manipulation, phone-number spoofing, open-source intelligence, fabricated online personas, hiring-process attacks, and AI-generated voice impersonation.

Topics: Social-engineering penetration testing, Phone-number and caller-ID spoofing, Account takeover through customer support, Open-source intelligence and data brokers, Knowledge-based authentication versus multi-factor authentication, Email spoofing and SPF records, Fabricated social-media personas and SOC accounts, Hiring-process and phantom-applicant attacks, AI voice cloning and deepfakes, Authentication and cryptographic identity for remote communications

Official episode-page sources

Links published on the Darknet Diaries episode page. Not LLM output.

Entities (40)

Claims (17)

Qualified statements from this episode, not graph facts.

social engineering village PART_OF Defcon

The Social Engineering Village is described as one of the villages at Defcon.

Explicit Confidence 99% · Jack Rhysider EP 144 Details

“The Social Engineering Village is one of the more popular ones”

Jack Rhysider · offsets 6869–6931

Social Engineering Contest PART_OF Defcon

The social engineering contest is presented as taking place at Defcon.

Explicit Confidence 97% · Jack Rhysider EP 144 Details

“what she was watching was the social engineering contest”

Jack Rhysider · offsets 7988–8044

“she applies to compete again the next year”

Jack Rhysider · offsets 11814–11856

Social Engineering Contest INVOLVES Rachel Tobac

Rachel participated in the social engineering contest and competed for three years.

Explicit Confidence 99% · Jack Rhysider EP 144 Details

“Competing three years in a row in the social engineering contest”

Jack Rhysider · offsets 11980–12044

Social Engineering Contest INVOLVES social engineering

The contest involved using social-engineering calls to obtain information from a target company.

Explicit Confidence 99% · Jack Rhysider EP 144 Details

“get enough information to hack into a company, all through phone calls”

Jack Rhysider · offsets 8115–8185

Rachel Tobac USES social engineering

Rachel performs social engineering as her professional specialization and in penetration tests.

Explicit Confidence 99% · Rachel Tobac EP 144 Details

“I do all the human hacking stuff”

Rachel Tobac · offsets 23363–23395

“I’m one of the best social engineers I’ve ever met”

Jack Rhysider · offsets 3900–3948

Rachel Tobac USES Pretexting

Rachel uses pretexts, including posing as a confused employee, journalist, customer, or job applicant.

Explicit Confidence 99% · Rachel Tobac EP 144 Details

“I pretend to be an employee who’s confused, who’s just starting out”

Rachel Tobac · offsets 11226–11293

“I built a fake journalist pretext”

Rachel Tobac · offsets 30476–30509

Rachel Tobac USES Account takeover

During an authorized bank penetration test, Rachel attempted to take over customer accounts and obtain administrative access.

Explicit Confidence 99% · Rachel Tobac EP 144 Details

“my job was to take over multiple accounts and steal access”

Rachel Tobac · offsets 14484–14542

“I have full admin access to the bank account”

Rachel Tobac · offsets 24812–24856

Rachel Tobac USES Open-source intelligence

Rachel uses open-source intelligence and data-broker information to identify phone numbers, personal details, and target information.

Explicit Confidence 99% · Rachel Tobac EP 144 Details

“when we’re doing OCINT, open-source intelligence”

Rachel Tobac · offsets 20520–20568

“I can find those pieces of information through OCINT”

Rachel Tobac · offsets 24012–24064

Rachel Tobac USES phone-number spoofing

Rachel spoofed a bank customer's phone number during the authorized penetration test.

Explicit Confidence 99% · Rachel Tobac EP 144 Details

“I spoof my phone number. I make it look like Kelly on the account”

Rachel Tobac · offsets 20417–20482

Rachel Tobac USES Voice cloning

Rachel cloned Sharyn Alfonsi’s voice and used it in a phone call to Elizabeth as part of an authorized live demonstration.

Explicit Confidence 99% · Rachel Tobac EP 144 Details

“I wanted to clone Sharyn’s voice and spoof Sharyn’s phone number”

Rachel Tobac · offsets 49140–49204

“I put her voice into my voice-cloning tool”

Rachel Tobac · offsets 49466–49508

Rachel Tobac USES Phantom applicant attack

Rachel used a job-application and interview process as an attack path to obtain merger-and-acquisition information.

Explicit Confidence 99% · Rachel Tobac EP 144 Details

“I was going to apply to their product manager role”

Rachel Tobac · offsets 29362–29412

“I want to attack via the hiring process”

Rachel Tobac · offsets 35001–35040

SocialProof Security DEVELOPED_BY Rachel Tobac

Rachel says she created SocialProof Security in 2017 after companies began asking her to speak and test their defenses.

Explicit Confidence 99% · Rachel Tobac EP 144 Details

“So, I made SocialProof Security in 2017”

Rachel Tobac · offsets 12528–12567

SocialProof Security USES social engineering

SocialProof Security provides social-engineering penetration testing and security-awareness work for companies.

Explicit Confidence 99% · Jack Rhysider EP 144 Details

“SocialProof Security, which is basically social engineering for hire”

Jack Rhysider · offsets 13982–14050

Evan MEMBER_OF SocialProof Security

Evan is described as the technical half of SocialProof Security and handles technical work for the engagements.

Explicit Confidence 96% · Rachel Tobac EP 144 Details

“The other half of SocialProof Security is my husband, Evan. He does all of the technical stuff.”

Rachel Tobac · offsets 23267–23362

Rachel Tobac USES Knowledge-based authentication

Rachel discusses knowledge-based authentication as an identity-verification method that attackers can find information to defeat; she does not present it as the bank’s preferred method in this test.

Explicit Confidence 86% · Rachel Tobac EP 144 Details

“knowledge-based authentication, things like, what’s your address? What’s the last four digits of your phone number?”

Rachel Tobac · offsets 21973–22088

Deepfakes ASSOCIATED_WITH Voice cloning

The episode connects deepfakes with AI-generated audio and video that can imitate a person’s voice or appearance.

Explicit Confidence 98% · Daniel Miessler EP 144 Details

“with deepfakes, for both video and audio”

Daniel Miessler · offsets 59171–59211

Rachel Tobac USES Email spoofing

Rachel describes email, phone, and chat as possible channels for account-takeover testing, but the episode’s successful test used phone-number spoofing rather than email spoofing.

Uncertain Confidence 70% · Rachel Tobac EP 144 Details

“they told me that I could hack via phone call, e-mail, or chat”

Rachel Tobac · offsets 14416–14478

Transcript references

Works mentioned in the transcript. Distinct from show-note sources.

Extraction provenance

Model gpt-5.6-luna · prompt 1.5.19 · schema 1.5.19 · 2026-09-13T08:20:23.093018+00:00