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Cyber Security News
Medium
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276
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Who Really Runs the Internet? The ISPs and Networks Behind Every Click
- The internet is a decentralized network composed of interconnected infrastructures.
- At the top of the hierarchy are Tier 1 ISPs that own and operate international network infrastructure.
- Tier 2 ISPs act as intermediaries, purchasing internet access from Tier 1 networks and serving regional markets.
- ISPs play a crucial role in maintaining internet performance, reliability, and scalability.
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Arstechnica
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159
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Google unveils end-to-end messages for Gmail. Only thing is: It’s not true E2EE.
- Google has announced end-to-end encrypted messages for Gmail, specifically for business users.
- The new feature encrypts emails inside the sender's chosen browser and remains encrypted until it reaches the recipient's browser.
- It allows government agencies and businesses to comply with security and privacy regulations, replacing the complex S/MIME standard.
- The new service aims to streamline regulation-compliant email systems and reduce implementation challenges.
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TechCrunch
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21
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OpenAI just made its first cybersecurity investment
- Adaptive Security, a New York-based AI cybersecurity startup, has raised a $43 million Series A funding round co-led by OpenAI’s startup fund and Andreessen Horowitz.
- Adaptive Security's platform simulates AI-generated 'hacks' to train employees to spot and react to threats, covering calls, texts, and emails.
- The startup focuses on 'social engineering' hacks, which exploit human employees and can lead to significant losses.
- OpenAI's investment in Adaptive Security reflects the growing concern about AI-powered cyber threats and the need for effective defense strategies.
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TechCrunch
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289
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Ted Schlein’s Ballistic Ventures is raising $100M for a new fund
- Venture capital firm Ballistic Ventures, co-founded by Ted Schlein, is raising $100 million for a new fund.
- The San Francisco-based firm is targeting cybersecurity startups and has a hands-on approach, providing support including board seats, hiring assistance, and customer acquisition.
- The team brings a strong network of contacts to portfolio companies and has made investments in 59 startups so far.
- Venture funding in cybersecurity grew 43% year-over-year to $11.6 billion in 2024.
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Tech Radar
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69
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Watch out - those PDFs lurking in your inbox could be a major security risk
- Phishing emails carrying PDF attachments are on the rise, accounting for 22% of all malicious email attachments.
- Hackers are increasingly using PDFs in social engineering attacks, making them a major security concern.
- PDF-based attacks have become less common than JavaScript-based attacks, as JavaScript is easier to detect.
- By using PDFs, attackers can customize links and mimic trusted brands, making the attacks more effective.
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4 Likes
Securityaffairs
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259
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China-linked group UNC5221 exploited Ivanti Connect Secure zero-day since mid-March
- Ivanti has addressed a critical remote code execution flaw in Connect Secure, which has been exploited by a China-linked group since mid-March 2025.
- The vulnerability, tracked as CVE-2025-22457, is a stack-based buffer overflow that allows remote unauthenticated remote code execution.
- The flaw impacts Ivanti Connect Secure, Pulse Connect Secure, Ivanti Policy Secure, and ZTA gateways. Ivanti has released security updates to address the vulnerability.
- The China-linked group UNC5221 has been exploiting the vulnerability to deploy TRAILBLAZE, BRUSHFIRE, and SPAWN malware since March 2025.
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Siliconangle
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34
Image Credit: Siliconangle
Smaller AI models redefine what’s possible with Kubernetes
- Kubernetes is playing a pivotal role in scaling and operationalizing AI, despite challenges in aligning its stateless architecture with AI’s stateful requirements.
- Organizations are turning to Kubernetes as a foundation for experimental and enterprise-grade AI deployment to achieve real-world performance, cost-efficiency, and sustainability.
- Kubernetes remains central to democratizing AI infrastructure, with a shift towards lightweight, domain-specific models that provide better results at lower costs.
- The CNCF, supported by Red Hat, is helping standardize operations and drive convergence on shared benchmarks, ensuring sustainability, performance, and energy efficiency.
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2 Likes
Tech Radar
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341
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Businesses still haven’t stopped using weak passwords, and it’s getting super risky
- Many businesses are still using weak passwords that can be cracked in less than a second.
- Germany, the US, and China have witnessed the highest number of password breaches.
- '123456', 'password', and 'qwerty' continue to be commonly used passwords.
- To enhance security, businesses should implement stronger password creation rules and two-factor authentication.
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20 Likes
Dev
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69
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WARNING: Malicious Repository Attack Targeting Cryptocurrency Developers on Upwork
- A recent warning has been issued regarding a malicious repository attack targeting cryptocurrency developers on Upwork.
- The attack involves creating convincing client profiles with detailed job histories, posting targeted job listings, engaging with developers, and asking them to complete a coding challenge.
- The malicious code hidden in a repository contains obfuscated code that, when executed by the freelancer, compromises their system and attempts to steal cryptocurrency and personal information.
- Developers with cryptocurrency/blockchain expertise, freelancers with valuable digital assets, and those with established reputations on Upwork are being specifically targeted.
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4 Likes
Dataprivacyandsecurityinsider
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302
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CISA Issues Malware Analysis Report on RESURGE Malware
- The Cybersecurity and Infrastructure Security Agency (CISA) has released a Malware Analysis Report (MAR) on RESURGE malware.
- RESURGE malware is associated with the product Ivanti Connect Secure.
- It contains capabilities of the SPAWNCHIMERA malware variant but has distinctive commands that alter its behavior.
- CISA recommends users to follow specific recovery steps, reset credentials, and monitor related accounts.
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18 Likes
Medium
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302
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Anthropic’s Model Context Protocol (MCP): MCP and DMail.ai: Bridging AI with Email Innovation
- Anthropic’s Model Context Protocol (MCP) is an open-source standard designed to bridge AI systems with the data and tools they need.
- MCP operates through a client-server architecture, providing a universal framework for connecting large language models (LLMs) to external data sources.
- With MCP, AI systems can access live data, enabling dynamic applications and enhanced AI capabilities.
- For platforms like DMail.ai, MCP brings unified data access, workflow automation, and increased security and compliance.
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18 Likes
Medium
2w
319
Image Credit: Medium
Generation Z Lives A Lonely Life Online: Where They Get The Validation They Need And It’s Never…
- A recent survey by health service company Cigna found that Generation Z, ages 18 to 22, is the loneliest group.
- Teenagers who use social media excessively may experience feelings of loneliness and inadequacy, according to mental health experts.
- It is important for young people to have offline experiences and validation beyond social media likes and follows.
- Teaching teens to build their own self-worth and disconnect from social media can help combat feelings of loneliness and low self-esteem.
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19 Likes
Medium
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349
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The “Ready Player One” Tech Talk
- The book "Ready Player One" is set in the year 2045 and revolves around a virtual utopia known as the OASIS.
- Wade Watts, a teenager, dedicates his life to studying puzzles within the OASIS that promise power and fortune to the one who solves them.
- As Wade stumbles upon the first clue, he finds himself facing players who are willing to kill to obtain the ultimate prize.
- The book is filled with 80's pop culture references and also explores cyber safety and ethics themes, making it a great choice for fans of the genre.
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21 Likes
Tech Radar
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77
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Why you should replace your Kaspersky antivirus
- The Biden administration banned the use of Kaspersky software, citing concerns of potential Russian government influence and disruption.
- Kaspersky customers were offered UltraAV as a replacement, but its effectiveness is in question.
- Continuing to use Kaspersky puts devices at risk, as the software won't receive new updates to counter emerging malware and threats.
- It is recommended to check and activate the default antivirus on devices, and consider additional security tools such as VPNs, parental control apps, and password managers.
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4 Likes
Tech Radar
2w
108
Image Credit: Tech Radar
Tuta Mail could soon be your default iOS mail app – but only after filing a complaint against Apple
- Tuta Mail, an encrypted email service, filed a complaint against Apple on April 2, 2025, for failing to enable Tuta among the default mail apps on iOS
- The complaint was withdrawn less than 24 hours later as Apple finally got in touch with Tuta's developers
- The Digital Market Act requires Apple to allow users to choose third-party services as their default email app
- Tuta Mail's complaint highlighted Apple's gatekeeping position and called for responsible behavior from large technology companies
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