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Home / Glossary / ASLR
Glossary · Security

ASLR

Address Space Layout Randomization

In plain language

A protection that shuffles where programs sit in memory each time they start, so attackers cannot predict where to strike.

The metaphor

Like rearranging the furniture every night so a burglar who memorised the layout cannot find the safe in the dark.

Going deeper

How it works

  • It is built into current Windows, macOS and Linux.
  • Each start places the program in a different spot.
  • It makes writing an attack harder.
  • It is one layer and still needs patches.

How WILDCARD handles it

Patch Management closes known holes, and Workstation Defender blocks zero-day attacks.

In practice
  • A security guide lists it as a default protection.
  • An exploit fails because the address guessed is wrong.
  • An old program that disables it is flagged.

A question owners ask

Do I need to turn it on?

No, current systems have it on already. Keep them updated.

Where WILDCARD handles this
Patch
Management
  • Windows, Office, Chrome patched
  • Automatic, on schedule
  • Open doors closed
Start with Patch ManagementMeet Patch Management →
Enterprise
Antivirus
  • Stops ransomware cold
  • Catches fileless malware
  • Blocks zero-day attacks
Start with Enterprise AntivirusMeet Enterprise Antivirus →
Related terms
AIArtificial IntelligenceAPTAdvanced Persistent ThreatAVAntivirusCERTComputer Emergency Response TeamCIRTComputer Incident Response TeamCVECommon Vulnerability EnumerationCVSSCommon Vulnerability Scoring SystemCyber insurance

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