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@jjza Profile picture

Justin J Williams

@jjza

living, studying, working in Jozi. Cyber and Privacy. Executive : Group Security. All opinions expressed here are my own.

20KPosts 2KFollowers 3KFollowing
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Justin J Williams Reposted
africatechfest Profile Picture
Africa Tech Festival
@africatechfest
13 Nov

Catch our exclusive chat with @MTNGroup CISO, @jjza Justin Williams, on the latest cybersecurity threats impacting tech in Africa! He breaks down how MTN keeps systems secure and user-friendly. A must-watch for tech leaders and enthusiasts! #AfricaTech #AfricaTechFestival…

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CXO | NED | Technology Expert | Passionate about Innovation in #Connectivity, #FinTech and #DigitalInfrastructure

Mazen Mroué

@Mazen_Mroue
Delivering voice, data, mobile financial services and digital products across 17 markets in Africa and the Middle East.

MTN Group

@MTNGroup
Proudly Zambian 🇿🇲. CEO & Director - MTN Cameroon. Leading Africa's digital progress.

Mitwa Kaemba Ng'ambi

@mkngambi
Vice President: South & Eastern Africa, MTN Passion:Driving inclusion, education & empowerment especially of women & girls in Africa #1millionproject #67mins

Yolanda Cuba🌍

@Yolandacuba
Y’ello tweeps! Welcome to the official MTN Rwanda Twitter account. Follow us as we capture all the Bright moments on Rwanda’s No. 1 Network.

MTN Rwanda

@MTNRwanda
CEO & Executive Director - MTN Rwanda | Passionate about Connecting People - Changing Lives

Mapula Bodibe

@MapsBodibe
Telecoms Exec. Eternal leadership student. Husband and father. My journey is one where I seek to add value always.

Malik Melamu

@MalikMelamu
ProudlyFather/Servant of God/KnowledgeShare In our waiting God is working

Alain Numa

@anumino
Globe trotting telecom executive

Jens Schulte-Bockum

@jschultebockum
Director, Payment Systems @CentralBankRw | Chairperson, Kigali City Council @CityofKigali

Christian Kajeneri

@CKajeneri
CEO-Mobile Money Rwanda UmunyaRwandaKazi|Wife|Mother|MoMotima|Passionate about Financial inclusion for ALL and #CashLess Rwanda

Chantal Kagame

@chantalkagame
🌍 Cape Town, South Africa 📅 6-7 December 2024 📍 UCT GSB Conference Centre, V&A Waterfront 🌐 info@... ⚡️ #bsidescapetown 💻 Beyond Barriers!

BSides Cape Town

@BSidesCapeTown
Wanna be remembered as a good father. I admire my parents and I aspire to inspire one person at a time. Through energy, commitment & passion. Tweets are my own.

Ramsés

@ramsesgallego
Chairman BSG. Author of Number One Bestseller “Betting on a Darkie”. He is passionate about people and technology. Mteto is a 2004 Yale World Fellow.

Mteto Nyati

@mteton
Security Geek at Thinkst. We build https://t.co/Sv6Gp3sG6b

haroon meer

@haroonmeer
𝙏𝙀𝘾𝙃 𝘼𝘿𝙑𝙊𝘾𝘼𝙏𝙀 | 𝙋𝙃𝙊𝙏𝙊𝙂𝙍𝘼𝙋𝙃𝙔 | 𝙁𝙊𝙊𝙏𝘽𝘼𝙇𝙇 ⚽️| Tech 👉🏾 @geekulcha 📷 | Photography 👉🏾 @dsruppt

M I X O

@4otune
❤️ Mother. 🗒️ Writer. 🖋️ Editor. ✍️ Head Of Content. 🐶 Owned By Dogs. ⭐ Abundance Mindset.

Cath Jenkin

@cathjenkin
Hacker @sensepost Socials || https://t.co/j4QzFmubF1 || @singe.bsky.social || 51ng3 on https://t.co/Qc039zjTKq

Dominic White 👾

@singe
DevSecOps Lead, ex CTO, hacker, Msc Infosec, AI, K8s, python, golang, fintech, LLMs/AI, @BSidesCapeTown chairman, photography. Dangerous thoughts are my own...

CrypticGoose 🪿💻🤖📷 🇿🇦✟

@crypticg00se

Yaw Ankoma Agyapong

@YawAAgyapong
🔬🚀 Exploring the wonders of Science, Technology, and Space at https://t.co/ib3sEktX2w. Stay informed, stay curious. #Science #Technology #Space 🌌🌍

Science Agenda

@ScienceAgenda
Global Sales, Marketing & Partner Management | Inclusive, Influencer n Connector | Digital enthusiast | #SaaS #cloudnative #AI

Sanjay Kaul

@kaulsanjay_c

Desshy

@Desshy42zDnY

Posmeski

@PosmeskilnAmY

Violet

@DoytesheauFZo7
ISC2 Security Analyst | Facilitator.

Bumblebee™ 🐝

@samibanjo
Founder & Security Researcher @allelesecurity Mastodon: @andersonc0d3@infosec.exchange Bluesky: @andersonc0d3.bsky.social

Anderson Nascimento

@andersonc0d3

God 𝐒ent Tech. 

@Godsent_tech

Flawa Nandi

@FlawaNandi56304

Rose_monroe

@rose_monroe80

Sandra James

@BaronElaja12176

Shearn

@Shearn7HHUl
TECNO Security Vulnerability Reward Program. #hack #infosec #bugbounty #AppSec #cybersecurity #TECNOsecurity Contact Email: security.tecno@tecno-mobile.com

TECNO Security Response Center

@TecnoSRC
🇨🇦Global Campaign | Build Awareness | Build Solutions | Celebrate Achievements #EDI #TipTheScale™ #Recruit #Retrain #Retain™ @womencssociety - Join Us!

International Women in Cyber Day™️ #IWCD2024

@womenincyberday
The African Computer Emergency Response

AfricaCERT

@AfricaCERT
Food, photography, IT. Passionate about making it happen.

Nolan Nadesan

@nolan_nn
IoT & smart device security| Automotive security | AppSec |Offensive and operational security |

Shubham Chougule

@shubhamtc
If you don’t fight for what you want, don’t cry for what you lose.

Salah_real

@07Ay3gwW49XJE9t
Passionate about Ethical Hacking | CTF Player | I explore the vulnerabilities to better secure

Joseph Kanko

@JosephKanko4
N/A

Petrov Markov

@Advocatej

太和了

@hnvtanl
Currently living life offline.👾 Forbidden Links: - https://t.co/6lijUBgxZn - https://t.co/jAPfNDkPdP - https://t.co/giONShPJa2

christine

@christinec_dev
Seasoned software engineer with 20+ years of diverse experience. Previously a Microsoft MVP for XAML-based products. Advocate of polyglot development.

rudigrobler

@rudigrobler

Hacker_iNtel

@hacker_int43431
vice chairman of the @owasp project committee | @owaspamass project leader | mastodon: https://t.co/5tzmNUcL6R

Jeff Foley

@jeff_foley
South African, applied risk management PhD candidate, devoted Christian, hates kakistocracy, and humanitarian that loves life in all its glory!

Hopeful South African

@LindequeEddie1
Music Entertainment Radio & TV International Entertainment LifeStyle Local News Life & Style

Mazwi Sithembiso

@mazwiSithembiso
writer for tech magazines, co-founder and writer at @bentoboxmedia, baseball fan, dog lover, always in search of the perfect bowl of ramen.

Wylie Wong

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Matthew Kimball

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Elizabeth Schoeman

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unix/coder type geek. @kokey@mastodon.org.uk

Kriek Jooste

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@0xc0ffee_dbn Durban

@0xc0ffee_dbn

Tiffany Lowe

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Security fanatic... COO @ Risk X Opinions are my own and have no affiliation with my employer.

Frans

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My only real talent is posting the monkey sword meme.

0xGerbot

@gerbot_
Hacker, Security Analyst. OSCP, CEH

Ethan

@Wrath_ZA
Electronic engineer, security researcher, hacker, tinkerer

shif/tty/mike

@shifttymike
رئيس مكتب المعلوماتية لدى الاتحاد الوطني لطبة سورية فرع الجامعة السورية الخاصة

Akram Khamiss

@Akram_khamiss93

Xolani Mtongwana

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Daniel

@MotivionalQuote

Jaja Patience Tsitsi

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Cyber Security Operation Center Africa (SOC) | Africa Cyber Incident Response Team (IR) | Cyber Intelligence focus on Africa

Yaniv

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Linda Perrypee

@perrypee32782
GTC-Konferensen skall vara den givna konferensen för medlemmar in CSA, Forum För Dataskydd och Sig Security gällande Governance, Technology och Cloud.

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Infosec purple team ° Automation ° The outdoors ° oscp

Byron Rudman

@ByronRudman
I want to die after I have done everything to make everything good

Ketherin Marria

@AliceChristy15
CXO | NED | Technology Expert | Passionate about Innovation in #Connectivity, #FinTech and #DigitalInfrastructure

Mazen Mroué

@Mazen_Mroue
Delivering voice, data, mobile financial services and digital products across 17 markets in Africa and the Middle East.

MTN Group

@MTNGroup
Proudly Zambian 🇿🇲. CEO & Director - MTN Cameroon. Leading Africa's digital progress.

Mitwa Kaemba Ng'ambi

@mkngambi
Vice President: South & Eastern Africa, MTN Passion:Driving inclusion, education & empowerment especially of women & girls in Africa #1millionproject #67mins

Yolanda Cuba🌍

@Yolandacuba
Y’ello tweeps! Welcome to the official MTN Rwanda Twitter account. Follow us as we capture all the Bright moments on Rwanda’s No. 1 Network.

MTN Rwanda

@MTNRwanda
CEO & Executive Director - MTN Rwanda | Passionate about Connecting People - Changing Lives

Mapula Bodibe

@MapsBodibe
Telecoms Exec. Eternal leadership student. Husband and father. My journey is one where I seek to add value always.

Malik Melamu

@MalikMelamu
CEO, MTN Benin. Highly influential business leader experienced in driving growth & profitability in African markets. Nurturing & Leading People Forward.

Uche Ofodile

@ucheofodile
Consumer journalist: News24, 702, Cape Talk, East Coast Radio. Email: consumer@knowler.co.za

Wendy Knowler

@wendyknowler
ProudlyFather/Servant of God/KnowledgeShare In our waiting God is working

Alain Numa

@anumino
Globe trotting telecom executive

Jens Schulte-Bockum

@jschultebockum
Documentary photographer, old creaky hacker. Co-author of @OWASP ASVS standard. Blackhat/Brucon Review Board & Co_chair UK Gov Cyber Security Advisory Board

Daniel Cuthbert

@dcuthbert
This is the official twitter page for MTN Nigeria. The Network of Life! Here for you, Here for life. #StayConnected WhatsApp channel-https://t.co/wNR9LUXtIi

MTN Nigeria

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Director, Payment Systems @CentralBankRw | Chairperson, Kigali City Council @CityofKigali

Christian Kajeneri

@CKajeneri
Founder Chairman and CEO Shingai Group. CA(SA). “Never be a victim”.

Philisiwe SIBIYA

@Phili_Sibiya
South African author, journalist & political analyst

Max du Preez

@MaxduPreez
President of the African National Congress. President of the Republic of South Africa. Chair of the African Union 2020.

Cyril Ramaphosa 🇿🇦

@CyrilRamaphosa
CEO-Mobile Money Rwanda UmunyaRwandaKazi|Wife|Mother|MoMotima|Passionate about Financial inclusion for ALL and #CashLess Rwanda

Chantal Kagame

@chantalkagame
🌍 Cape Town, South Africa 📅 6-7 December 2024 📍 UCT GSB Conference Centre, V&A Waterfront 🌐 info@... ⚡️ #bsidescapetown 💻 Beyond Barriers!

BSides Cape Town

@BSidesCapeTown
Official Twitter account for @MTNGhana. Follow for updates, promos & competitions. For Customer enquiries & assistance, kindly @AskMTNGhana

MTN Ghana

@MTNGhana
Founder @Figure_robot ($750M Backed), @Cover_thz (Weapon Detection), Archer Aviation (NYSE: ACHR), Vettery ($100M Exit)

Brett Adcock

@adcock_brett

0xcon Johannesburg

@0xcon_jhb
50% Hacker +25% Engineer +25% Developer = Ironman | Founder of 4 Startups | Researcher | Author 4 Books | 3rd Bounty Hunter | In Papers & TV | Keynote Speaker

Shahmeer - Titan (Meer)

@Shahmeer_Amir
Minister of Sport, Arts and Culture in the Republic of South Africa | President of @onsbaizanie

Gayton McKenzie

@GaytonMcK
The Choiseul Africa Initiative gathers all the activities initiated and carried out by the Institut Choiseul for Africa. 🌍🤝 #CABF #Choiseul100Africa

Choiseul Africa

@ChoiseulAfrica
Updates from the Internet Governance Project on global governance of the digital ecosystem

Internet Governance at Georgia Tech

@IGPAlert
Download our new https://t.co/s8ohujCN8h News+ app, available for Android and iOS devices. STAY INFORMED, STAY AHEAD with the latest digital policy developments!

Digital Watch Observatory

@DigWatchWorld
We’re determined to make organizations secure against cyber threats and confident in their readiness.

Mandiant (part of Google Cloud)

@Mandiant
TECNO Security Vulnerability Reward Program. #hack #infosec #bugbounty #AppSec #cybersecurity #TECNOsecurity Contact Email: security.tecno@tecno-mobile.com

TECNO Security Response Center

@TecnoSRC
Compte officiel du Ministre des postes, des télécommunications et de l'économie numérique du Congo

Léon-Juste Ibombo

@LeonJuste
الحساب الرسمي للمركز الوطني للسلامة المعلوماتية التابع لوزارة النقل والاتصالات وتقنية المعلومات @mtcitoman " نحو اقتصاد رقمي مزدهر"

Oman National CERT

@OmanCERT
🇨🇦Global Campaign | Build Awareness | Build Solutions | Celebrate Achievements #EDI #TipTheScale™ #Recruit #Retrain #Retain™ @womencssociety - Join Us!

International Women in Cyber Day™️ #IWCD2024

@womenincyberday
AfNOG is a forum for cooperation and the exchange of technical information between operators of Internet-connected networks in Africa.

Africa Network Operators Group (AfNOG)

@AfNOGWorkshops
Réponse aux incidents de sécurité informatique - Informations sur la Sécurité du Numérique dans le cyberespace Béninois. @gouvbenin

bjCSIRT

@bjCSIRT
The Africa Internet Summit (AIS) is an annual, regional, multi-stakeholder ICT conference.

Africa Internet Summit

@AIS_Africa
BSides Las Vegas will take place on August 6th and 7th, 2024

BSides Las Vegas

@BSidesLV

Bart Stump

@theStump3r
Threat Hunting & DFIR, Hacker, Geek, DEF CON & Black Hat CFP Review Board Member, DEF CON Contest/Events/Demo Labs Dept. Head, Black Hat Staff, DC801 Founder

Grifter

@Grifter801
Offensive Security 🐍 #RedTeam + #AppSec @ MSFT | 🇺🇸🇲🇽 | Husband&Father&Marine | My ramblings = my own 😁 | Everything is a string! | #GoCougs

⚙ Rev - ☁ Cloud Mechanic 🛠

@ManuelBerrueta
Simon is a fishwife. Pass it on.

Bameron Hanekom

@BoknRoll
Passionate about Ethical Hacking | CTF Player | I explore the vulnerabilities to better secure

Joseph Kanko

@JosephKanko4
N/A

Petrov Markov

@Advocatej
Currently living life offline.👾 Forbidden Links: - https://t.co/6lijUBgxZn - https://t.co/jAPfNDkPdP - https://t.co/giONShPJa2

christine

@christinec_dev
CEO @ https://t.co/hF2cIqSQ8S | Telegram CRM | Find and Message Telegram Users, B2C or B2B!

Walter Footman

@WaltChain
Technical geek, Information Security and Linux evangelist. #InfoSec #Cyber blurting my own opinions only and all by myself (he/him)

Leslie Forbes

@le54bes
Deputy Executive Dean at @UnisaCas |PhD📚|Chairperson of Finance, Risk & Audit @OxfamSA |Views expressed are my own & dont reflect those of my employer|

Prof. Cam Modisane, Ph.D.

@DrCamModisane
Seasoned software engineer with 20+ years of diverse experience. Previously a Microsoft MVP for XAML-based products. Advocate of polyglot development.

rudigrobler

@rudigrobler
Technology Geek. Cyclist, Motorcyclist. Intellectual vampire. Works at Elastic

Paul Ruinaard

@paulruinaard
📅 19-20 July 2024 📍 Focus Rooms, Johannesburg BSides Joburg is an annual community organized event focused on building the local cybersecurity community.

BSides Joburg

@BSidesJoburg
🚀 rockit network engineer 👩🏼‍💻that lil voice in yr head singing abt ethernet 🛜 weird use cases & silly tech

TracketPacer

@TracketPacer
Bringing AI to offensive security by autonomously finding and exploiting web vulnerabilities. Watch XBOW hack things: https://t.co/H9AbW0QIem

XBOW

@Xbow
Software Architect & Engineer @ZeroFox | OWASP Amass Maintainer | #Birdland | #RavensFlock

morty

@b4ltimorty
Senior principal software engineer #cybersecurity. I love #Linux, #BSD, #KaliLinux, #RetroComputing, #RetroCoding, #RISC_OS, #AmigaOS, #AtariST & #8bit

Paolo Fabio Zaino - ☮️ 🌍 💻 🎸 🎮 ☕️ 🍩 🍕😈🐧☣︎

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Empowering digital landscapes with pioneering cybersecurity wisdom. Where innovation meets vigilance, I craft the future of safe tech. #CyberFuturist

Adem Rosic

@AdemRosic
Making cybersecurity accessible to everyone.

ProjectDiscovery.io

@pdiscoveryio
فَوَرَبِّكَ لَنَسْأَلَنَّهُمْ أَجْمَعِينَ عَمَّا كَانُواْ يَعْمَلُون Pentest & Bug bounty writeups

Pentester Land

@PentesterLand
Web security research from the team at @PortSwigger

PortSwigger Research

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Official Twitter account for #OWASP #Amass! Project focused on #automation of #attacksurface mapping | mastodon: https://t.co/BOCnIPeij4

OWASP Amass

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vice chairman of the @owasp project committee | @owaspamass project leader | mastodon: https://t.co/5tzmNUcL6R

Jeff Foley

@jeff_foley
We make tinygrad and sell tinybox, the best perf/$ AI computer. 💥💥💥 BUY TINYBOX NOW ON OUR WEBSITE 💥💥💥 Our mission is to commoditize the petaflop.

the tiny corp

@__tinygrad__
South African, applied risk management PhD candidate, devoted Christian, hates kakistocracy, and humanitarian that loves life in all its glory!

Hopeful South African

@LindequeEddie1
Product Manager @microsoft | Tweets my own Built → https://t.co/ujxKqxXjf2 • https://t.co/QbUp63ffXf • idPowerToys • Graph X-Ray • https://t.co/tSWrIw8Ajh Weekly newsletter → https://t.co/tPzAEl0Zuq

Merill Fernando

@merill
writer for tech magazines, co-founder and writer at @bentoboxmedia, baseball fan, dog lover, always in search of the perfect bowl of ramen.

Wylie Wong

@wyliewong
| Principal Analyst, Moor Insights & Strategy | @ARInsights Power 100 Analyst | Fan of disruptive technologies | Die hard Boston sports fan |

Matthew Kimball

@MattKimball_MIS
Ex street racer. Hermetic Initiate. Exploring conscience and the nature of reality. I also hack and ride things. 🧘🏻‍♂️

ϻг_ϻε

@steventseeley
he/him/his. Trying to do the right thing in spite of my obvious limitations.

Will Hawkins

@hawkinsw
Consultant & AI educator | On a mission to build an empire with artificial intelligence

Angry Tom

@AngryTomtweets
Head of Investigations @InfoGuardAG https://t.co/A5lnFAu7eX

Stephan Berger

@malmoeb
Co-Founder of @TwinBirchUSA | sustainable lifestyle apparel. $TSLA investor. EV/space/tech news. My posts aren’t financial advice.

Sawyer Merritt

@SawyerMerritt

neonpegasus

@JacqueSmit69
United States Trends
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