“BazarCall” Advisory: Essential Guide to Attack Vector that Revolutionized Data Breaches


“BazarCall” style attack, or call back phishing, is an attack vector that utilizes targeted phishing methodology and that first emerged in 2020/2021 as a tool of Ryuk (later rebranded Conti).

The tool has proven useful and malleable enough to fit an entire lineage of criminal hands. Callback phishing tactics have widely proliferated, completely changing the current threat landscape. At the time of this writing, three autonomous threat groups have since adopted and independently deve…

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