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The Big Data Blog


Controlling Email-Based Risks in Operational Technology Networks
Email remains one of the most underestimated cyber risks in operational technology environments . It is often treated as an IT-layer concern, something isolated from industrial processes and unrelated to the functioning of physical equipment. In reality, OT network security teams depend on a continuous flow of operational messages, automated alerts, vendor communications, firmware packages, and field reports that enter the environment through enterprise communication channel
Dec 9


Granular Email Controls in Sensitive IT Environments: OCR, Metadata Scanning & DMARC Configuration
Email is still the most frequently exploited vector in cyberattacks targeting enterprises. In 2024 alone, the FBI’s Internet Crime Complaint Center (IC3) reported over $2.8 billion in losses from Business Email Compromise (BEC), affecting more than 21,000 organizations worldwide. Meanwhile, phishing volumes continue to rise, with the Anti-Phishing Working Group recording more than 1.1 million phishing attacks in Q2 2025, a new high for the decade. The consequences of th
Oct 27


Phishing and BEC Attacks: What You Need to Know
Phishing remains the most pervasive cyber threat facing organizations today. As of 2025, phishing is responsible for 31% of all data...
Sep 9


What Is a Next-Generation Email Security Gateway?
Next-gen email gateways come with a wide array of advanced features designed to address the growing complexity of email-borne threats.
Mar 25


Understanding DKIM, DMARC, and SPF for Email Security
Email security has become a critical concern in today's interconnected world, as it remains one of the most commonly used communication...
Feb 25


Email Security in the Age of Advanced Threats
As technology develops and innovations gain speed, cyber threats grow with equal complexity. However, when it comes to cybersecurity, one...
Nov 26, 2024
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