Technology
re:Invent 2025: AWS Excites Tech Enthusiasts With Graviton5 Unveiling
By Aduragbemi Omiyale
One of the high points of the 2025 re:Invent was the unveiling of Graviton5, the fifth generation of custom Arm-based server processors from Amazon Web Services (AWS).
Many tech enthusiasts believe that the company pushed the limits with Graviton5, its most powerful and efficient CPU, frontier agents that can work autonomously for days, an expansion of the Amazon Nova model family, Trainium3 UltraServers, and AWS AI Factories suitable for implementing AI infrastructure in customers’ existing data centres.
Graviton5—the company’s most powerful and efficient CPU
As cloud workloads grow in complexity, organizations face a persistent challenge to deliver faster performance at lower costs and meet sustainability commitments without trade-offs.
AWS’ new Graviton5-based Amazon EC2 M9g delivers up to 25% higher performance than its previous generation, with 192 cores per chip and 5x larger cache.
For the third year in a row, more than half of new CPU capacity added to AWS is powered by Graviton, with 98 per cent of the top 1,000 EC2 customers—including Adobe, Airbnb, Epic Games, Formula 1, Pinterest, SAP, and Siemens—already benefiting from Graviton’s price performance advantages.
Expansion of Nova family of models and pioneers “open training” with Nova Forge
Amazon is expanding its Nova portfolio with four new models that deliver industry-leading price-performance across reasoning, multimodal processing, conversational AI, code generation, and agentic tasks. Nova Forge pioneers “open training,” giving organizations access to pre-trained model checkpoints and the ability to blend proprietary data with Amazon Nova-curated datasets.
Nova Act achieves breakthrough 90% reliability for browser-based UI automation workflows built by early customers. Companies like Reddit are using Nova Forge to replace multiple specialized models with a single solution, while Hertz accelerated development velocity by 5x with Nova Act.
Addition of 3 frontier agents, a new class of AI agents that work as an extension of your software development team
Frontier agents represent a step-change in what agents can do. They’re autonomous, scalable, and can work for hours or days without intervention. AWS announced three frontier agents—Kiro autonomous agent, AWS Security Agent, and AWS DevOps Agent. Kiro autonomous agent acts as a virtual developer for your team, AWS Security Agent is your own security consultant, and AWS DevOps Agent is your on-call operational team.
Companies, including Commonwealth Bank of Australia, SmugMug, and Wester Governors University have used one or more of these agents to transform the software development lifecycle.
Unveiling Trainium3 UltraServers
As AI models grow in size and complexity, training cutting-edge models requires infrastructure investments that only a handful of organizations can afford.
Amazon EC2 Trn3 UltraServers, powered by AWS’s first 3nm AI chip, pack up to 144 Trainium3 chips into a single integrated system, delivering up to 4.4x more compute performance and 4x greater energy efficiency than Trainium2 UltraServers.
Customers achieve 3x higher throughput per chip while delivering 4x faster response times, reducing training times from months to weeks. Customers including Anthropic, Karakuri, Metagenomi, NetoAI, Ricoh, and Splash Music are reducing training and inference costs by up to 50 per cent with Trainium, while Decart is achieving 4x faster inference for real-time generative video at half the cost of GPUs, and Amazon Bedrock is already serving production workloads on Trainium3.
Technology
NITDA Alerts Nigerians to ChatGPT Vulnerabilities
By Adedapo Adesanya
The National Information Technology Development Agency (NITDA) has issued an advisory on new vulnerabilities in ChatGPT that could expose users to data-leakage attacks.
According to the advisory, researchers discovered seven vulnerabilities affecting GPT-4o and GPT-5 models that allow attackers to manipulate ChatGPT through indirect prompt injection.
The agency explained that hidden instructions placed inside webpages, comments, or Uniform Resource Locators (URLs) can trigger unintended commands during regular browsing, summarisation, or search actions.
“By embedding hidden instructions in webpages, comments, or crafted URLs, attackers can cause ChatGPT to execute unintended commands simply through normal browsing, summarization, or search actions,” they stated.
The warning followed rising concerns about AI-powered tools interacting with unsafe web content and the growing dependence on ChatGPT for business, research, and public-sector tasks.
NITDA added that some flaws allow the bypassing of safety controls by masking malicious content behind trusted domains.
Other weaknesses take advantage of markdown rendering bugs, enabling hidden instructions to pass undetected.
It explained that in severe cases, attackers can poison ChatGPT’s memory, forcing the system to retain malicious instructions that influence future conversations
They stated that while OpenAI has fixed parts of the issue, Large-Language Models (LLMs) still struggle to reliably separate genuine user intent from malicious data.
The Agency warned that these vulnerabilities could lead to a range of cybersecurity threats, including unauthorised actions carried out by the model; unintended exposure of user information; manipulated or misleading outputs; and long-term behavioural changes caused by memory poisoning, among others.
It advised Nigerians, businesses, and government institutions to adopt several precautionary steps to stay safe. These include limiting or disabling the browsing and summarisation of untrusted websites within enterprise environments and enabling features like browsing or memory only when necessary.
It also recommended regular updates to deployed GPT-4o and GPT-5 models to ensure known vulnerabilities are patched.
Technology
OPay, Coinbase, Others Crash as Cloudflare Suffers Another Glitch
By Adedapo Adesanya
Cloudflare Incorporated, a business providing cloud-based services to various enterprises, said in a note on Friday it is investigating issues with its Dashboard and related Application Programming Interfaces (APIs).
Numerous companies and services, including payments platform like OPay as well as Canva, Coinbase Global Incorporated, Investing.com , Shopify Incorporated, and Zoom Video Communications Incorporated, all appeared to crash, with some seeing “500 internal server error” and “Please check your internet connection and try again”.
The global outage has left many users unable to access these key services as this disruption has not only affected individuals but also businesses relying on these platforms for their operations.
Customers using the Dashboard or Cloudflare APIs are impacted as requests might fail and errors may be displayed, the company said on its status page.
In its latest update, Cloudflare added that “a fix has been implemented,” with the firm monitoring the results.
Users from all over the world have taken to social media platform X (formerly Twitter) to voice their frustrations over the issue.
This is Cloudflare’s second major disruption in nearly a month, following another incident in November that affected services like Spotify and ChatGPT.
At the last outage, Cloudflare’s services were largely restored within three hours, and fully restored after approximately five hours.
Technology
Google Unveils AI Skilling Blueprint for Africa
By Modupe Gbadeyanka
As part of broader Africa-focused Artificial Intelligence (AI) initiatives, Google has launched the AI Skilling Blueprint for Africa, designed to help governments build a future-proof workforce.
The programme provides governments with a comprehensive, step-by-step guide to formulate national skilling strategies. It focuses on developing three critical cohorts: AI Learners, who will gain foundational AI literacy; AI Implementers, professionals upskilled to integrate AI tools into their work; and AI Innovators, deep technical experts dedicated to building the next generation of AI solutions.
Africa is home to the world’s youngest and fastest-growing population. The continent shows immense potential for AI-driven economic growth.
However, new research highlights a significant challenge: while optimism for AI is exceptionally high, reaching 95 per cent in Nigeria and 76 per cent in South Africa, 55 per cent of firms across the continent report needing AI talent more than financing. Closing this skills gap is key to unlocking Africa’s opportunity.
Google’s Vice President of Government Affairs and Public Policy, Doron Avni, explained that, “The AI Skilling Blueprint provides a clear roadmap for governments to build the workforce of the future.
“By also investing in AI-ready data and expert local organisations and partners, we are helping build the interconnected ecosystem needed for a prosperous, AI-driven future for the continent.”
As part of its broader initiatives, Google also announced $2.25 million to support projects building trustworthy public data sets for AI by the UN Economic Commission for Africa (UNECA), the UN Department of Economic and Social Affairs (UN DESA) and PARIS21.
This contribution will help national statistical offices modernize their infrastructure and empower decision-makers with the reliable data they need to address challenges from food security to economic growth.
“For Africa to drive sustainable development, evidence-based policymaking is indispensable. This requires accessible, reliable, and AI-ready data.
“This effort is a crucial step forward. By building a Regional Data Commons, we can empower African institutions with the data and tools they need to make strategic choices that will drive growth and prosperity,” the Executive Secretary of the UN Economic Commission for Africa, Claver Gatete, said.
Finally, building on its $7.5 million Google.org Skilling Fund commitment, Google announced the first set of expert social impact organizations who will receive funding to execute on projects consistent with its skilling mission, including FATE Foundation and the African Institute for Mathematical Sciences (AIMS), which will embed advanced AI curricula into universities; and JA Africa and CyberSafe Foundation, which will advance crucial work in online safety and digital literacy.
“We are incredibly proud to partner with the African Institute of Management Sciences on the Advanced AI UpSkilling Project, with support from Google.org. This groundbreaking initiative is a direct response to the urgent need for deep AI competencies in Africa, empowering tertiary institutions, lecturers, and students in Nigeria, Ghana, Kenya, and South Africa.
“This strategic support aligns perfectly with FATE Foundation’s mission to foster innovation and sustainable economic growth across the continent, ensuring Africa is fully equipped to lead in the global technological future,” the Executive Director for FATE Foundation, Adenike Adeyemi, stated.
“We live in an age defined by rapid technological change and our mission at JA Africa is to ensure that African youth are not left behind. However, even as we engage our youth in more digital programs and encourage AI literacy, we are fully aware of the harmful effects of unchecked online exposure and, therefore, invest equally in protecting their data, physical safety and mental wellbeing.
“Through this support from Google.org, we will give young people the tools, knowledge, and confidence they need to navigate the digital world safely and responsibly,” the chief executive of Junior Achievement Africa, Simi Nwogugu, remarked.
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