CYBERSECURITY // PORTFOLIO

ISMAELBARRANTES

DEFEND · INVESTIGATE · VALIDATE

PERSONAL LAYER / 08HUMAN://TRUSTED_COMPANION

Meet
Koi.

A quieter and more intimate part of who I am — the friend who brings balance to the person behind the security work.

COMPANION_STATUSALWAYS_ONLINE
Koi, Ismael's small black Pomeranian, looking up outdoors in the sunlightKOI_01 // BLACK POMERANIAN
HUMAN LAYER / TRUST

Before the alerts, laboratories and technical goals, there is Koi.

01Koi is my black Pomeranian and one of the most meaningful presences in my life. He has become much more than a pet: he is emotional support, companionship and a genuine friend.

02His company gives me a place to slow down, return to the present and remember that growth is also built through patience, routine and care. That balance matters to the way I study, work and face difficult challenges.

03This space exists for anyone who wants to know the person beyond the professional profile. Koi is part of that story — a small companion with an enormous place in my life.

01

PRESENCE

A constant reminder to pause, breathe and return to what is happening now.

02

FRIENDSHIP

A loyal companion who turned everyday moments into a meaningful bond.

03

BALANCE

The human counterweight to long sessions of study, research and technical focus.

Close portrait of Koi, a black Pomeranian with warm brown eyes
PORTRAIT_02 // TRUSTED_SIGNAL

Some support does not arrive through a system or a playbook. Sometimes it arrives on four paws.

ISMAEL + KOI HUMAN://CONNECTION
INTERACTIVE SHOWCASE / KOI_GRID_GUARDIAN

Defend the grid.

A top-down light-cycle duel built around strategy, anticipation and clean execution. Close the route around the red intruder before it traps Koi.

MISSION // CONTAIN THE INFILTRATIONSECURE GRID // LIVE SIMULATION
85%
ORIGINAL GRID SCORE01 / 05NEON HUNT
LEVEL01 / 20
RUN TIME00:00.00
TRACE LENGTH0 M
ARENACIRCUIT GRID
AUTH://PLAYER_IDENTITY

KOI: GRID GUARDIAN

Koi protects the network on the blue light-cycle. Force the red cat into a wall, an arena barrier or either energy trail to secure the level.

CHOOSE AN ARENA
BOOST100%
Swipe anywhere on the arena to steer. Tap the arena for a short BOOST burst.
BUILD NOTES / GAME ENGINE

Engineering the light grid.

A deterministic Canvas 2D game with territory-aware AI, multi-layer parallax arenas, adaptive light/dark character art, a five-track original cyber-electronic score and a securely verified global leaderboard.

01LANGUAGETypeScript
02UIReact 19
03RENDERINGCanvas 2D
04VIEWTop-down
05BACKENDCloudflare Worker
06DATAD1 / SQLite
01

DETERMINISTIC GRID

A fixed-step simulation keeps turns, collisions and trails consistent across 60, 90 and 120 Hz displays.

02

STRATEGIC AI

The red rider evaluates reachable territory, projected routes, interception windows and self-trap risk with increasingly aggressive logic.

03

CINEMATIC AUDIO

Five original tracks use defined keys, diatonic scales, chord progressions, composed bass lines and deterministic melodies, rotating on every level.

04

ADAPTIVE PERFORMANCE

A lightweight 2D renderer, capped pixel density and visibility pausing keep the game fluid on desktop and mobile.

GLOBAL LEADERBOARD

Farthest verified operators.

Every valid run can rank. Completed levels carry the greatest weight, followed by trace distance and total survival time. Only each operator's personal best is shown.

RANKOPERATORLEVELSSCORETIMEDISTANCE

SYNCING VERIFIED RUNS...