---
title: "Use information about attacks"
description: "Use information about attacks, family Detect, NIS2 Art. 21(2)(a)"
url: https://www.alt-f1.be/en/table/ti/
organization: ALT-F1 SRL, Brussels (VAT BE 0830.560.718)
---

# Use information about attacks

Short label: ATTACKS

Family: Detect · NIS2 Art. 21(2)(a)
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## Meaning

Threat information describes known malicious addresses, tools or techniques that can help recognise suspicious activity.

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## Why it matters

Relevant information can improve filtering and investigation, but a feed alone cannot prove that a company is safe or targeted.

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## What you can do

Choose relevant sources, update the controls that use them and review results alongside your own events.

## Services that can help

Web App Shield and Device Shield use relevant detection information. ALT-F1 explains the events and protective actions within the agreed service.

- [Web App Shield](https://www.alt-f1.be/en/web-shield.md)
- [Device Shield](https://www.alt-f1.be/en/device-shield.md)

## Official reference — NIS2 Art. 21(2)(a)

> 2. The measures referred to in paragraph 1 shall be based on an all-hazards approach that aims to protect network and information systems and the physical environment of those systems from incidents, and shall include at least the following:
>
> — Directive (EU) 2022/2555 (NIS2), Art. 21(2)

> (a) policies on risk analysis and information system security;
>
> — Directive (EU) 2022/2555 (NIS2), Art. 21(2)(a)

**What this reference concerns:** You must know your risks and write down how you protect your systems: a risk analysis and a security policy, kept up to date.

[Read the article on EUR-Lex](https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32022L2555#art_21) · Official text, quoted from the Official Journal of the EU