How Long Attackers Stay in a Network Before They’re Discovered

Cybersecurity Hacker Hoodie Image

When people imagine a cyberattack, they often picture a dramatic event — systems suddenly shutting down or files becoming encrypted.

But many cyber incidents don’t unfold that way.

In many cases, attackers quietly gain access to a network and remain there for weeks or even months before being discovered.

This period is known as “dwell time.”

During this time, attackers may explore systems, gather information, and expand their access before launching a more disruptive attack.

What Attackers Do After Gaining Access

Once attackers obtain access to a network, they often move carefully to avoid detection.

Common activities during this phase include:

  • Exploring the network and identifying key systems
  • Stealing credentials and escalating privileges
  • Accessing sensitive files and data
  • Monitoring internal communications
  • Preparing ransomware deployment

This is why many ransomware incidents appear sudden — the attackers may have been inside the network long before the attack is launched.

How Attackers Gain Long-Term Access

Many attackers maintain access through methods such as:

  • Compromised administrator accounts
  • Stolen credentials
  • Hidden remote access tools
  • Modified system settings or scripts

Without proactive monitoring, these activities can remain unnoticed for long periods.

Why Early Detection Matters

The sooner suspicious activity is detected, the easier it is to contain the threat.

Organizations that detect intrusions early can often:

  • Prevent data theft
  • Stop ransomware before it spreads
  • Limit operational disruption
  • Reduce recovery costs

This is why many businesses are investing in continuous monitoring and threat detection.

How Citynet Helps Detect Threats Earlier

Citynet provides managed cybersecurity services that help organizations identify suspicious activity before it turns into a major incident.

These services include:

  • 24/7 monitoring and threat detection through CyberPulse
  • Endpoint detection and response
  • Network monitoring and managed firewall protection
  • Security awareness training for employees
  • Backup and recovery solutions

With proactive monitoring and layered security protections, businesses can detect threats earlier and reduce the likelihood that attackers remain hidden in their network.

Concerned About Hidden Cyber Threats?

Many cyberattacks begin quietly and go unnoticed for weeks or months.

Citynet’s cybersecurity specialists help organizations monitor, detect, and respond to threats before they escalate into major disruptions.

Learn more about Citynet Cybersecurity Solutions

Further Reading
Learn more about recognizing cyber threats and responding to security incidents.

Like This Post?

Facebook
X
LinkedIn
Email

More Posts

Speed Test Blog Image
Technology

Know Your Numbers: A Simple Guide to Internet Speed Tests

Nothing is more frustrating than being in the middle of a video call and experiencing choppy, pixelated picture or audio. Or, if you’re trying to update your computer or gaming system, and that download loading bar is barely headed toward

Guest Wi-Fi Blog Image
Technology

Why Every Home Needs a Guest WiFi Network

Most people think of WiFi as a single network. A friend visits, asks for the password, and you share it without much thought. What many people don’t realize is that sharing your WiFi password may also give guests access to

Virtual Game Night Image
Technology

Host a Virtual Game Night Without Lag

Hosting a virtual game night is a great way to stay connected with your friends and family, especially when everyone is joining in from different places. Whether you’re catching up with friends or planning something fun for everyone to do

Tech Energy Costs Image
Technology

Reduce the Energy Costs of Your Tech

Most of us think about saving energy by turning off lights or adjusting the thermostat. But today’s homes run on something just as important: connectivity. From streaming and remote work to smart thermostats and connected devices, technology plays a bigger