CTF Challenges by Category
All Skills
⭐
linux × 135
💪
c-programming × 67
⭐
iot × 43
💪
pointers × 32
⭐
php × 28
💪
microcontrollers × 27
💪
process-management × 26
💪
control-flow × 26
💪
loops × 24
💪
microprocessors × 24
💪
protocols × 23
💪
basics × 23
💪
variables × 22
💪
file-commands × 20
💪
control-flow-structures × 20
💪
data-types × 17
💪
python × 17
💪
cli × 17
💪
php-programming × 17
💪
file-permissions × 16
💪
directory-commands × 16
💪
python-programming × 16
💪
syntax × 16
💪
file-management × 15
💪
operators × 15
💪
internet-of-things × 15
💪
functions × 14
💪
memory × 13
💪
communication × 13
💪
mqtt × 13
💪
programming × 12
⭐
command-line × 12
⭐
arrays × 12
💪
while-loop × 11
💪
file-directory-commands × 11
💪
for-loop × 11
💪
html × 11
💪
web-development × 11
💪
object-oriented-programming × 10
💪
coap × 10
💪
inheritance × 10
💪
microcontroller × 10
💪
iot-protocols × 9
💪
system-monitoring × 9
💪
commands × 9
💪
iot-security × 9
💪
microprocessor × 9
💪
networking × 8
💪
io-redirection × 8
💪
security × 8
💪
applications × 8
💪
permissions × 8
💪
navigation × 8
💪
system-monitoring-tools × 8
💪
exception-handling × 8
💪
sensors × 7
💪
break-statement × 7
💪
architecture × 7
💪
input-output-redirection × 7
💪
declaration × 7
💪
if-else × 7
💪
firmware × 7
💪
if-statement × 7
💪
cloud × 7
💪
css × 7
💪
encryption × 7
💪
protocol × 7
💪
file-operations × 7
💪
file-system × 6
💪
conditional-statements × 6
💪
control-structures × 6
💪
listing × 6
💪
bash × 6
💪
beginner × 6
💪
computer-networks × 6
💪
package-management × 6
💪
memory-management × 6
💪
basic × 6
💪
hardware × 6
💪
network-topologies × 6
💻
algorithms × 6
💪
switch-case × 5
💪
switch-statement × 5
💪
form-handling × 5
💪
actuators × 5
💪
authentication × 5
💪
c × 5
💪
output × 5
💪
connectivity × 5
💪
directory-management × 5
💪
null-pointer × 5
💪
fundamentals × 5
💪
smart-home × 5
💪
switch × 5
💪
structures × 5
💪
bash-programming × 5
💪
gateway × 5
💪
function × 5
💪
chmod × 5
⭐
array × 5
⭐
list × 5
💪
disk-usage × 4
💪
loop-control × 4
💪
dereferencing × 4
💪
semantics × 4
💪
keywords × 4
💪
repository-management × 4
💪
gitlab × 4
💪
null × 4
💪
variable-declaration × 4
💪
iot-platforms × 4
💪
pointer-arithmetic × 4
💪
iot-connectivity × 4
💪
git × 4
💪
iot-applications × 4
💪
logic × 4
💪
memory-usage × 4
💪
device-management × 4
💪
encapsulation × 4
💪
pointers-in-c × 4
💪
gpio × 4
💪
constructor × 4
💪
file-creation × 4
💪
embedded-systems × 4
💪
session-management × 4
💪
error-handling × 4
💪
if-elif-else × 4
💪
http × 3
💪
pass-statement × 3
💪
firmware-development × 3
💪
oop × 3
💪
hidden-files × 3
💪
accessibility × 3
💪
html-elements × 3
💪
decision-making × 3
💪
micropython × 3
💪
continue-statement × 3
💪
data-integrity × 3
💪
network × 3
💪
do-while × 3
💪
publish-subscribe × 3
💪
break × 3
💪
examples × 3
💪
linux-command-line × 3
💪
comparison × 3
💪
efficiency × 3
💪
real-time-clock × 3
💪
wireless × 3
💪
integration × 3
💪
history × 3
💪
zigbee × 3
💪
class × 3
💪
self × 3
💪
benefits × 3
💪
recursion × 3
💪
search × 3
💪
analog-digital-conversion × 3
💪
sensor × 3
💪
uart × 3
💪
network-architecture × 3
💪
nested-loops × 3
💪
edge-computing × 3
💪
iot-sensors × 3
💪
network-security × 3
💪
branching × 3
💪
power-management × 3
💪
differences × 3
💪
dds × 3
💪
optimization × 3
💪
energy-efficiency × 3
💪
iot-actuators × 3
💪
easy × 3
💪
tools × 3
💪
low-power × 3
💪
directory-navigation × 3
💪
internet-protocols × 3
💪
file-search × 3
💪
processes × 3
💪
data × 3
💪
shell × 3
💪
boolean × 3
💻
sequence × 3
💻
filtering × 3
🚩
traversal × 2
🚩
web × 2
💪
ls-command × 2
💪
integer × 2
💪
classes × 2
💪
system-information × 2
💪
priority × 2
💪
do-while-loop × 2
💪
cli-tools × 2
💪
typography × 2
💪
conditional × 2
💪
computer-science × 2
💪
xmpp × 2
💪
program-counter × 2
💪
selectors × 2
💪
pwm × 2
💪
update × 2
💪
amqp × 2
💪
bus-topology × 2
💪
network-monitoring × 2
💪
access × 2
💪
flow-control × 2
💪
computer-hardware × 2
💪
disk-space × 2
💪
comments × 2
💪
redirection × 2
💪
files × 2
💪
alternative-syntax × 2
💪
embedded × 2
💪
terminal × 2
💪
php-functions × 2
💪
communication-protocol × 2
💪
acronyms × 2
💪
system-administration × 2
💪
internet-protocol × 2
💪
move × 2
💪
mesh-topology × 2
💪
object × 2
💪
basic-commands × 2
💪
data-structures × 2
💪
system-memory × 2
💪
cpu × 2
💪
programming-language × 2
💪
star-topology × 2
💪
real-time × 2
💪
standard-error × 2
💪
stderr × 2
💪
c++ × 2
💪
ownership × 2
💪
dynamic-memory-allocation × 2
💪
firewall × 2
💪
constrained-devices × 2
💪
css-properties × 2
💪
ubuntu × 2
💪
lora × 2
💪
constants × 2
💪
directory-creation × 2
💪
background-process × 2
💪
performance-monitoring × 2
💪
file-and-directory-commands × 2
💪
performance × 2
💪
database-connectivity × 2
💪
ethernet × 2
💪
osi-model × 2
💪
bootloader × 2
💪
conditionals × 2
💪
object-creation × 2
💪
printing × 2
💪
introductory × 2
💪
conditions × 2
💪
html-attributes × 2
💪
verification × 2
💪
memory-address × 2
💪
peripherals × 2
💪
data-transmission × 2
💪
dynamic-memory × 2
💪
use-cases × 2
💪
directory × 2
💪
operating-system × 2
💪
initialization × 2
💪
comparisons × 2
💪
programming-languages × 2
💪
ring-topology × 2
💪
process-priority × 2
💪
timers × 2
💪
cybersecurity × 2
💪
c-pointers × 2
💪
stdout × 2
💪
debugging × 2
💪
system-design × 2
💪
iot-communication × 2
💪
sql × 2
💪
scripting × 2
💪
devices × 2
💪
design × 2
💪
grep × 2
💪
debian × 2
💪
file-copy × 2
💪
lpwan × 2
💪
directories × 2
💪
iot-advantages × 2
💪
shell-scripting × 2
💪
comparison-operators × 2
💪
generic-programming × 2
💪
iot-devices × 2
💪
data-security × 2
💪
polymorphism × 2
💪
objects × 2
💪
networks × 2
💪
system-tools × 2
💪
data-protection × 2
💪
memory-allocation × 2
💪
loop × 2
💪
assignment × 2
💪
iot-components × 2
💪
code-evaluation × 2
💪
loop-structures × 2
💪
features × 2
💪
tcp-ip × 2
💪
object-oriented × 2
💪
micro-python × 2
💪
components × 2
💪
pointer × 2
💪
non-volatile × 2
💻
sliding-window × 2
💻
iteration × 2