However, Deloitte has not confirmed the breach, leaving the claim unverified.
The group claims to have accessed and stolen over 1 terabyte of compressed data, including sensitive client information and internal documents.
According to statements posted by Brain Cipher, the attack has exposed critical vulnerabilities in Deloitte UK’s cybersecurity infrastructure. “Soon we will tell you about this incident. We will provide an example of data that has leaked. The volume of compressed data more than 1tb".
The group has criticized Deloitte for not observing basic information security protocols. "Unfortunately, giant companies do not always do their job well,” the hackers claim.
Brain Cipher emerged in June 2024 and has quickly gained notoriety for targeting high-profile organizations.
Brain Cipher has set a deadline of December 15, 2024, for Deloitte to respond, after which they threaten to release the stolen data.
The impact of this breach could be severe when it comes to client data exposure. Potential exposure of sensitive client information, including financial records, could be affected. Reputational Damage of the "big four" firm is also at stake. As one of the world's leading professional services firms, Deloitte's stature is at stake as it is raising serious concerns about data protection practices.
The breach, if confirmed, could disrupt operations for Deloitte and its clients, eroding trust and confidence.
Deloitte has yet to confirm the incident publicly. This situation underscores the critical need for robust cybersecurity measures in today's digital landscape.
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