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How to secure against cyber attacks?

Roman Varga - cybersecurity manager , DÔVERA Health Insurance Company ·

Becoming a victim of an online scam today is not hard at all – a single hasty click in an e‑mail or message is enough. Attackers exploit social networks, e‑mails, and our work devices, and they often have time to quietly watch and prepare an attack. Here’s what happens in practice, why you shouldn’t be ashamed to report incidents, and which simple steps reduce the risk.

How attackers get in

The most common vector is phishing: an ordinary e‑mail with a link or attachment that, with a single click, opens the door for the attacker into the system. They can then spend months quietly reviewing your activities, downloading data, and using your computer to penetrate deeper into the network. A common outcome is ransomware – data are encrypted, backups without proper configuration are rendered useless, and operations are halted for days to weeks. One example is an incident in Ireland, where a single infected Excel attachment with macros shut down 22 polyclinics and crippled scheduling as well as planned surgeries.

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Roman Varga

DÔVERA Health Insurance Company
Roman Varga covers the area of cyber security at Dôvera. He submits proposals for improvements in the field of cyber security to the company's management and covers the protection of an organization's information assets by implementing and managing cyber security processes. Conceptually manages the organization's cyber security. Covers the respo…
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