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Rapid Intervention Following Phishing Credential Theft

A member of accounts gave away their credentials in a phishing scam, resulting in a potential data compromise

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Client Background

A leading UK professional services firm, prioritising the protection of sensitive client and internal data, utilised Cyber Overwatch to enhance their cybersecurity framework.

Challenge

A company employee fell victim to a sophisticated phishing email disguised as an Adobe PDF, inadvertently sharing their credentials and granting attackers potential access to confidential company data.

Cyber Overwatch’s Response

Cyber Overwatch’s real-time monitoring swiftly detected suspicious login attempts using compromised credentials. Within moments, our threat-hunting team identified the abnormal activity, immediately triggering alerts and enabling rapid response.

Advanced behavioural analytics pinpointed the source and nature of the breach, highlighting precisely which credentials had been compromised and which systems were targeted.

Resolution

Thanks to Cyber Overwatch’s immediate intervention, the client’s security team promptly revoked the compromised credentials and secured all targeted accounts before attackers could establish a foothold. This rapid response successfully prevented any unauthorised access to sensitive company information.

Ongoing Prevention

Recognising the importance of user education, the affected employee was enrolled in Cyber Overwatch’s integrated Culture Watch education programme. Key lessons from the incident were shared company-wide to significantly enhance overall cybersecurity awareness and prevent similar occurrences.

Additionally, Cyber Overwatch recommended and facilitated improvements to internal email security protocols and ongoing phishing simulations to continually reinforce user vigilance.

Outcome

Cyber Overwatch’s rapid detection and response capabilities, combined with comprehensive user education through Culture Watch, effectively neutralised the phishing threat. This significantly enhanced the firm's resilience against future attacks, ensuring robust data protection and heightened cybersecurity awareness throughout the organisation.

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