Alarm Glossary - E
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- EN Grade 1
Grade 1. The system can fend off inexperienced attackers. It protects the most obvious entry...
- EN Grade 2
Grade 2. The system can repel experienced attackers using specialized equipment. It protects...
- EN Grade 3
Grade 3. The system can repel intruders who possess professional skills and knowledge and use...
- EN Grade 4
Grade 4. The system can withstand professional groups who plan break-ins in advance and are...
- Encryption
Encryption (also: ciphering or cryptography) is the key-dependent conversion of data called...
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