diff --git a/attack/attack.go b/attack/attack.go
new file mode 100644
index 000000000..38445cf3d
--- /dev/null
+++ b/attack/attack.go
@@ -0,0 +1,41 @@
+package attack
+
+import (
+	"harmony-benchmark/consensus"
+	"harmony-benchmark/log"
+	"time"
+)
+
+const (
+	DroppingTimerDuration = 2 * time.Second
+)
+
+// AttackModel contains different models of attacking.
+type Attack struct {
+	log log.Logger // Log utility
+}
+
+func New(consensus *consensus.Consensus) *Attack {
+	attackModel := Attack{}
+	// Logger
+	attackModel.log = consensus.Log
+	return &attackModel
+}
+
+func (attack *Attack) Run() {
+	// Adding attack model here.
+	go func() {
+		// TODO(minhdoan): Enable it later after done attacking.
+		// attack.NodeKilledByItSelf()
+	}()
+}
+
+// NodeKilledByItSelf
+// Attack #1 in the doc.
+func (attack *Attack) NodeKilledByItSelf() {
+	tick := time.Tick(DroppingTimerDuration)
+	for {
+		<-tick
+		attack.log.Debug("**********************************killed itself**********************************")
+	}
+}
diff --git a/benchmark.go b/benchmark.go
index 9a5667d2a..bc1c1f55e 100644
--- a/benchmark.go
+++ b/benchmark.go
@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"flag"
 	"fmt"
+	"harmony-benchmark/attack"
 	"harmony-benchmark/consensus"
 	"harmony-benchmark/log"
 	"harmony-benchmark/node"
@@ -95,6 +96,7 @@ func main() {
 	consensus := consensus.NewConsensus(*ip, *port, shardId, peers, leader)
 
 	node := node.NewNode(&consensus)
+	attack := attack.New(&consensus)
 
 	clientPeer := getClientPeer(&config)
 	// If there is a client configured in the node list.
@@ -120,5 +122,9 @@ func main() {
 		}()
 	}
 
+	// TODO(minhdoan): Enable it later after done attacking.
+	// Run attack.
+	attack.Run()
+
 	node.StartServer(*port)
 }