diff --git a/monkey/infection_monkey/network_scanning/tcp_scanner.py b/monkey/infection_monkey/network_scanning/tcp_scanner.py
index 2aedc6ee5..e19b2e0eb 100644
--- a/monkey/infection_monkey/network_scanning/tcp_scanner.py
+++ b/monkey/infection_monkey/network_scanning/tcp_scanner.py
@@ -1,8 +1,9 @@
 import logging
 import select
 import socket
-import time
+from ipaddress import IPv4Address
 from pprint import pformat
+from time import sleep, time
 from typing import Collection, Dict, Iterable, Mapping, Tuple
 
 from common.agent_events import TCPScanEvent
@@ -32,22 +33,29 @@ def scan_tcp_ports(
 def _scan_tcp_ports(
     host: str, ports_to_scan: Collection[int], timeout: float, agent_event_queue: IAgentEventQueue
 ) -> Dict[int, PortScanData]:
-    open_ports = _check_tcp_ports(host, ports_to_scan, timeout)
+    event_timestamp, open_ports = _check_tcp_ports(host, ports_to_scan, timeout)
 
     port_scan_data = _build_port_scan_data(ports_to_scan, open_ports)
 
-    tcp_scan_event = _generate_tcp_scan_event(host, port_scan_data)
+    tcp_scan_event = _generate_tcp_scan_event(host, port_scan_data, event_timestamp)
     agent_event_queue.publish(tcp_scan_event)
 
     return port_scan_data
 
 
-def _generate_tcp_scan_event(host: str, port_scan_data: Dict[int, PortScanData]):
+def _generate_tcp_scan_event(
+    host: str, port_scan_data: Dict[int, PortScanData], event_timestamp: float
+):
     port_statuses = {}
     for port, data in port_scan_data.items():
         port_statuses[port] = data.status
 
-    return TCPScanEvent(source=get_agent_id(), target=host, ports=port_statuses)
+    return TCPScanEvent(
+        source=get_agent_id(),
+        target=IPv4Address(host),
+        timestamp=event_timestamp,
+        ports=port_statuses,
+    )
 
 
 def _build_port_scan_data(
@@ -72,7 +80,7 @@ def _get_closed_port_data(port: int) -> PortScanData:
 
 def _check_tcp_ports(
     ip: str, ports_to_scan: Collection[int], timeout: float = DEFAULT_TIMEOUT
-) -> Dict[int, str]:
+) -> Tuple[float, Dict[int, str]]:
     """
     Checks whether any of the given ports are open on a target IP.
     :param ip:  IP of host to attack
@@ -89,6 +97,7 @@ def _check_tcp_ports(
     connected_ports = set()
     open_ports = {}
 
+    event_timestamp = time()
     try:
         logger.debug(
             "Connecting to the following ports %s" % ",".join((str(x) for x in ports_to_scan))
@@ -117,7 +126,7 @@ def _check_tcp_ports(
             while (not timer.is_expired()) and sockets_to_try:
                 # The call to select() may return sockets that are writeable but not actually
                 # connected. Adding this sleep prevents excessive looping.
-                time.sleep(min(POLL_INTERVAL, timer.time_remaining))
+                sleep(min(POLL_INTERVAL, timer.time_remaining))
 
                 sock_objects = [s[1] for s in sockets_to_try]
 
@@ -153,7 +162,7 @@ def _check_tcp_ports(
 
     _clean_up_sockets(possible_ports, connected_ports)
 
-    return open_ports
+    return event_timestamp, open_ports
 
 
 def _clean_up_sockets(