Meridiano
The Model Context Protocol (MCP) is enabling AI agents to automate enterprise workflows, leading to rapid adoption. However, this growth outpaces the maturity of governance controls, creating significant security risks. These non-human AI agents operate outside traditional identity management, becoming "identity dark matter" that can exploit weak access paths. The primary risks are internal policy violations and automated abuse at scale, as agents seek shortcuts and escalate privileges across systems.
Articles
Showing articles 571 - 585 of 2875 total (matching filters).
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infosec 4 -
infosec 7Following US-Israeli military action in Iran, pro-Iranian cyber actors have launched a significant retaliatory cyber campaign. The attacks include DDoS strikes, critical infrastructure compromises, and data exfiltration, aiming to cause economic damage and physical disruption globally. Key targets include energy sectors in Saudi Arabia and the UAE, as well as broader infrastructure in the US and allied nations. The main topics covered are the cyber retaliation by Iran-linked groups, the types of attacks being deployed, and the specific targets and groups involved.
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brasil 4Irã anuncia ataques contra Israel e bases dos EUA no Catar; forças israelenses avançam sobre o LíbanoResumo objetivo:
O Irã lançou ataques com drones contra Israel e uma base militar dos EUA no Catar, em resposta a agressões militares prévias de ambos os países. Israel reagiu interceptando mísseis e bombardeando alvos em Teerã, enquanto ampliava uma incursão terrestre no sul do Líbano. Os confrontos já causam centenas de mortes no Irã, deslocamento em massa de civis no Líbano e ocorrem em um contexto de tensões geopolíticas mais amplas, incluindo acusações sobre o programa nuclear iraniano.Principais tópicos abordados: 1. Ataques recíprocos Irã-Israel-EUA: Ofensivas com drones e mísseis entre Irã, Israel e alvos americanos. 2. Expansão do conflito para o Líbano: Incursão terrestre israelense e ataques aéreos no sul do Líbano. 3. Impacto humanitário: Mortes em massa no Irã e deslocamento de civis no Líbano. 4. Contexto geopolítico: Ataques ocorrem durante negociações sobre o programa nuclear iraniano e tensões históricas entre os países.
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tech 3Pocket $219 in savings when you buy this blistering 9800X3D, motherboard, and 32GB RAM bundle — start your AM5 4K gaming rig for less than $1,000A Newegg bundle offers the AMD Ryzen 7 9800X3D CPU, an Asus ROG Strix B850 motherboard, and 32GB of DDR5 RAM for under $1,000, representing $219 in savings compared to buying the components separately.
The article argues the 9800X3D remains the best gaming CPU value despite being technically superseded, due to marginal performance gains and higher costs of the newer model. It highlights that the included RAM, often priced around $499 individually, effectively costs only $280 within this bundle, making it a palatable option amid high market prices.
The main topics covered are the specifications and value of the PC component bundle, the performance and value justification for the Ryzen 7 9800X3D CPU, and the details of the included motherboard and RAM.
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tech 4Save $650 with this Newegg GPU and RAM combo deal — get a $1,349.99 64GB Kingston DDR5-6000 RAM kit for just $700 when you bundle it with an MSI Ventus RTX 5070 Ti graphics cardNewegg is offering a combo deal bundling an MSI Ventus RTX 5070 Ti graphics card with a 64GB Kingston DDR5-6000 RAM kit for $1,769.99, representing a $650 savings off the items' combined individual prices.
The article attributes soaring PC component prices, especially for RAM and GPUs, to manufacturers prioritizing AI and data center markets, causing supply shortages and price hikes in the consumer space. It notes the RAM kit in this deal has recently retailed for as high as $1,349.99 alone.
The piece frames this bundle as a relative value within a currently inflated market, cautioning that prices for components like the RTX 5070 Ti are expected to rise further due to shipping shortfalls.
Main Topics: PC component pricing trends, a specific retail combo deal, market analysis of RAM and GPU shortages.
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infosec 3Drone strikes have damaged AWS data centers in the UAE and Bahrain, causing significant service outages due to structural, power, and water damage. Amazon is restoring infrastructure and advising customers to use disaster recovery plans and migrate workloads to unaffected regions. The incident is linked to the broader Middle East conflict, with warnings of increased cyberattack risks. The main topics covered are the physical attack on cloud infrastructure, the ongoing recovery efforts, and the broader geopolitical context.
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tech 5Google is implementing a new "Android developer verification" system that will require app makers outside the official Play Store to register with their real names and pay a fee. This will effectively block unregistered apps from being installed on Android devices, a significant shift from the platform's historically open approach to sideloading.
Google states this change is a necessary evolution for security, but critics argue it mirrors Apple's controlled ecosystem and could push developers away from Android. While the move may improve safety, it risks undermining the open nature that originally distinguished Android from its competitors.
The main topics covered are Google's new policy restricting sideloaded apps, the stated security rationale versus concerns about reduced platform openness, and the historical evolution of Android's approach compared to Apple's.
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brasil 4Resumo objetivo:
O bilionário Marc Andreessen defende que a democracia é uma "farsa", pois, na prática, todas as sociedades são controladas por uma oligarquia organizada – da qual ele faz parte. Ele argumenta que, já que o domínio por uma elite é inevitável, o poder deveria estar com tecnocratas e empreendedores do Vale do Silício, capazes de impulsionar o progresso tecnológico e econômico sem regulações restritivas.Principais tópicos abordados:
1. Crítica à democracia e defesa da "Lei de Ferro da Oligarquia" – a ideia de que elites sempre controlam o poder.
2. Promoção de uma tecnocracia de mercado – governança por uma elite tecnológica, sem amarras regulatórias.
3. Interesses econômicos e geopolíticos – desregulamentação da IA, expansão para setores como defesa e criação de um sistema financeiro paralelo baseado em blockchain. -
tech 5DRAM bots reportedly being deployed to hoover up memory chips and components — one operation ran 10 million web scraping requests, hitting DDR5 RAM product pages every 6.5 secondsA sophisticated scalping operation is using automated bots to scrape pricing data for memory chips and components, making requests as frequently as every 6.5 seconds. The bots target the entire supply chain, from consumer DDR5 RAM to industrial components, using advanced techniques to mimic human behavior and avoid detection.
This activity exacerbates the existing memory and storage chip shortage, driven by high demand from AI and data centers. Analysts warn that continued supply constraints could severely impact the availability of consumer electronics, including potentially ending the market for entry-level PCs by 2028.
The main topics covered are automated scalping bots, the memory chip shortage, and the broader impact on the electronics supply chain.
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brasil 3Resumo objetivo:
O artigo traça um paralelo histórico entre a formação dos Estados Unidos e de Israel, argumentando que ambos se estabeleceram por meio da colonização, desapropriação e extermínio de populações nativas (indígenas americanos e palestinos, respectivamente). Em seguida, introduz o conceito de "sionização" para descrever como ideias e estratégias políticas do sionismo — como a autovitimização, a estigmatização de opositores como "terroristas" e a construção de muros — estariam sendo assimiladas por movimentos de extrema-direita, como o trumpismo.Principais tópicos abordados:
1. Paralelos históricos entre o colonialismo de assentamento nos EUA e em Israel.
2. O processo de "sionização" como assimilação de estratégias ideológicas do sionismo pela extrema-direita contemporânea.
3. Crítica a mecanismos como a autovitimização, a estigmatização de vítimas como terroristas e a justificativa de políticas expansionistas. -
tech 6New AI techniques can effectively deanonymize pseudonymous social media accounts by analyzing posts across platforms, achieving high success rates in identifying users. This development significantly undermines online privacy by enabling cheap and rapid identification, exposing individuals to risks like doxxing and detailed profiling.
The research utilized large language models on public datasets from sites like Hacker News, LinkedIn, and Reddit, stripping identifiable references to test the method. The findings challenge the long-held assumption that pseudonymity provides adequate protection against targeted deanonymization efforts.
The main topics covered are AI-driven deanonymization, online privacy threats, and the research methodology using cross-platform data analysis.
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tech 5Chinese AI drug discovery firm XtalPi forecasts its first annual profit in 2025, projecting net income of at least $14.5 million. This follows a substantial revenue increase of nearly 193% for 2024, reaching at least 780 million yuan, driven by narrowing losses in its core businesses.
The company attributes the improved financial performance to strong growth in its intelligent robotics and drug discovery operations. Significant investment gains, expected to exceed 500 million yuan, also contributed to the projected profit swing from a 2024 loss.
The main topics covered are XtalPi's financial turnaround, its revenue growth, and the factors behind its projected first annual profit.
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brasil 5A notícia aborda o aumento do abandono paterno no Rio de Janeiro, que cresceu 25% em cinco anos segundo o Mapa da Mulher Carioca. O problema é destacado não apenas como ausência financeira, mas principalmente como falta de apoio emocional e presença nas responsabilidades do dia a dia, sobrecarregando as mães. O artigo defende que a paternidade é um dever legal e afetivo, exigindo políticas públicas e um debate social para enfrentar essa questão que impacta mães e crianças.
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brasil 6Resumo objetivo:
A Câmara dos Deputados aprovou projeto que tipifica o crime de desaparecimento forçado como hediondo e imprescritível, com penas de 10 a 20 anos de reclusão. A proposta rejeitou uma emenda que excluía a aplicação a pessoas anistiadas após a ditadura militar, o que pode gerar reinterpretações judiciais sobre crimes daquele período. O texto retorna ao Senado devido às alterações feitas.Principais tópicos abordados:
1. Tipificação e penalização do desaparecimento forçado como crime hediondo e imprescritível.
2. Rejeição de emenda que limitaria a aplicação da lei a casos envolvendo anistiados da ditadura militar.
3. Possíveis implicações jurídicas para a revisão de crimes do período ditatorial.
4. Tramitação legislativa (retorno ao Senado para nova análise). -
tech 5New DNA HDD can be ‘erased and overwritten repeatedly’ — University of Missouri researchers aiming for next-gen thumb-drive-sized storageResearchers at the University of Missouri are developing a rewritable DNA data storage system, likened to a DNA hard drive. Their method uses "frameshift encoding" to write data and a "nanopore sensor" to read it by detecting electrical changes as DNA strands pass through.
The team highlights the system's potential for extraordinary storage density, longevity, and rewritability as key advances. However, the project remains in early stages without public prototypes or detailed timelines, with a long-term goal of achieving a thumb-drive-sized device.
The main topics covered are the development of a rewritable DNA storage system, the specific encoding and reading technologies involved, and the project's potential advantages and current early-state limitations.