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offen\sive-s\ecurity♥\malware\researc\h♥foren\sics♥os\int♥inc\ident-r\esponse\♥threat\hunting\♥corpor\ate-esp\ionage-\investi\gation♥\
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Emergency Response Security Group

Cyber Security since 1337
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secur\ity-res\earch♥t\hreat-h\unting♥\reverse\engineer\♥inves\tigatio\ns♥scri\pting♥l\inux-uni\x♥host\ing♥reg\istrars\exploit\s♥vuln♥\
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Rhiannon Williams-Hughes



Emergency Response Security Group
Rhiannon is a seasoned cybersecurity engineer and the founder of Emergency Response Security Group. She brings deep expertise across corporate security, email security, phishing and malware investigations, penetration testing, red team operations, forensics, incident response, and corporate espionage inquiries. Her background includes leading security programs in telecommunications, government, defense, gaming, retail, and financial services, with senior roles in both public and private sectors. She is focused on scaling the company to expand its enterprise reach.

Business partners and referrals.

Emergency Response Security Group
* The Illusion of Expertise - cyberwarfare.com
* Four Million Bad Decisions - cyberwarfare.com

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Proud sponsor of the 2025 KofC Golf Tournament

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Emergency Response Security Group


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