Privacy and data protection Archives | Page 118 of 324

Bitcoin wallet vulnerability exposes thousands of private keys

A flaw in the widely used Libbitcoin Explorer (bx) 3.x series has exposed over 120,000 Bitcoin private keys, according to crypto wallet provider OneKey. The flaw arose from a weak random number generator that used system time, making wallet keys predictable.

Attackers aware of wallet creation times could reconstruct private keys and access funds.

Several wallets were affected, including versions of Trust Wallet Extension and Trust Wallet Core prior to patched releases. Researchers said the Mersenne Twister-32’s limited seed space let hackers automate attacks and recreate private keys, possibly causing past fund losses like the ‘Milk Sad’ cases.

OneKey confirmed its own wallets remain secure, using cryptographically strong random number generation and hardware Secure Elements certified to global security standards.

OneKey also examined its software wallets, ensuring that desktop, browser, Android, and iOS versions rely on secure system-level entropy sources. The firm urged long-term crypto holders to use hardware wallets and avoid importing software-generated mnemonics to reduce risk.

The company emphasised that wallet security depends on the integrity of the device and operating environment.

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Tailored pricing is here and personal data is the price signal

AI is quietly changing how prices are set online. Beyond demand-based shifts, companies increasingly tailor offers to individuals, using browsing history, purchase habits, device, and location to predict willingness to pay. Two shoppers may see different prices for the same product at the same moment.

Dynamic pricing raises or lowers prices for everyone as conditions change, such as school-holiday airfares or hotel rates during major events. Personalised pricing goes further by shaping offers for specific users, rewarding cart-abandoners with discounts while charging rarer shoppers a premium.

Platforms mine clicks, time on page, past purchases, and abandoned baskets to build profiles. Experiments show targeted discounts can lift sales while capping promo spend, proving engineered prices scale. The result: you may not see a ‘standard’ price, but one designed for you.

The risks are mounting. Income proxies such as postcode or device can entrench inequality, while hidden algorithms erode trust when buyers later find cheaper prices. Accountability is murky if tailored prices mislead, discriminate, or breach consumer protections without clear disclosure.

Regulators are moving. A competition watchdog in Australia has flagged transparency gaps, unfair trading risks, and the need for algorithmic disclosure. Businesses now face a twin test: deploy AI pricing with consent, explainability, and opt-outs, and prove it delivers value without crossing ethical lines.

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Public consultation flaws risk undermining Digital Fairness Act debate

As the European Commission’s public consultation on the Digital Fairness Act enters its final phase, growing criticism points to flaws in how citizen feedback is collected.

Critics say the survey’s structure favours those who support additional regulation while restricting opportunities for dissenting voices to explain their reasoning. The issue raises concerns over how such results may influence the forthcoming impact assessment.

The Call for Evidence and Public Consultation, hosted on the Have Your Say portal, allows only supporters of the Commission’s initiative to provide detailed responses. Those who oppose new regulation are reportedly limited to choosing a single option with no open field for justification.

Such an approach risks producing a partial view of European opinion rather than a balanced reflection of stakeholders’ perspectives.

Experts argue that this design contradicts the EU’s Better Regulation principles, which emphasise inclusivity and objectivity.

They urge the Commission to raise its methodological standards, ensuring surveys are neutral, questions are not loaded, and all respondents can present argument-based reasoning. Without these safeguards, consultations may become instruments of validation instead of genuine democratic participation.

Advocates for reform believe the Commission’s influence could set a positive precedent for the entire policy ecosystem. By promoting fairer consultation practices, the EU could encourage both public and private bodies to engage more transparently with Europe’s diverse digital community.

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Wikipedia faces traffic decline as AI and social video reshape online search

Wikipedia’s human traffic has fallen by 8% over the past year, a decline the Wikimedia Foundation attributes to changing information habits driven by AI and social media.

The foundation’s Marshall Miller explained that updates to Wikipedia’s bot detection system revealed much of the earlier traffic surge came from undetected bots, revealing a sharper drop in genuine visits.

Miller pointed to the growing use of AI-generated search summaries and the rise of short-form video as key factors. Search engines now provide direct answers using generative AI instead of linking to external sources, while younger users increasingly turn to social video platforms rather than traditional websites.

Although Wikipedia’s knowledge continues to feed AI models, fewer people are reaching the original source.

The foundation warns that the shift poses risks to Wikipedia’s volunteer-driven ecosystem and donation-based model. With fewer visitors, fewer contributors may update content and fewer donors may provide financial support.

Miller urged AI companies and search engines to direct users back to the encyclopedia, ensuring both transparency and sustainability.

Wikipedia is responding by developing a new framework for content attribution and expanding efforts to reach new readers. The foundation also encourages users to support human-curated knowledge by citing original sources and recognising the people behind the information that powers AI systems.

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Privacy laws block cross-border crypto regulation progress

Regulators continue to face hurdles in overseeing global crypto markets as privacy laws block effective cross-border data sharing, the Financial Stability Board warned. Sixteen years after Bitcoin’s launch, regulation remains inconsistent, with differing national approaches causing data gaps and fragmented oversight.

The FSB, under the Bank for International Settlements, said secrecy laws hinder authorities from monitoring risks and sharing information. Some jurisdictions block data sharing with foreign regulators, while others delay cooperation over privacy and reciprocity concerns.

According to the report, addressing these legal and institutional barriers is essential to improving cross-border collaboration and ensuring more effective global oversight of crypto markets.

However, the FSB noted that reliable data on digital assets remain scarce, as regulators rely heavily on incomplete or inconsistent sources from commercial data providers.

Despite the growing urgency to monitor financial stability risks, little progress has been made since similar concerns were raised nearly four years ago. The FSB has yet to outline concrete solutions for bridging the gap between data privacy protection and effective crypto regulation.

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Meta previews parental controls over teen AI character chats

Meta has previewed upcoming parental control features for its AI experiences, particularly aimed at teens’ interactions with AI characters. The new tools are expected to roll out next year.

Under the proposed controls, parents will be able to turn off chats between teens and AI characters altogether, though the broader Meta AI chatbot remains accessible. They can also block specific characters if they wish. Parents will receive topic summaries of what teens are discussing with AI characters and with Meta AI itself.

The first deployment will be on Instagram, with initial availability in English for the US, UK, Canada and Australia. Meta says it recognises the challenges parents face in guiding children through new technology, and wants these tools to simplify oversight.

Meta also notes that AI content and experiences intended for teens will follow a PG-13 standard: avoiding extreme violence, nudity and graphic drug content. Teens currently interact with only a limited set of AI characters under age-appropriate guidelines.

Additionally, Meta plans to allow time limits on AI character use by teens. The company is also detecting and discouraging attempts by users to falsify their age to bypass restrictions.

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UK government urges awareness as £106m lost to romance fraud in one year

Romance fraud has surged across the United Kingdom, with new figures showing that victims lost a combined £106 million in the past financial year. Action Fraud, the UK’s national reporting centre for cybercrime, described the crime as one that causes severe financial, emotional, and social damage.

Among the victims is London banker Varun Yadav, who lost £40,000 to a scammer posing as a romantic partner on a dating app. After months of chatting online, the fraudster persuaded him to invest in a cryptocurrency platform.

When his funds became inaccessible, Yadav realised he had been deceived. ‘You see all the signs, but you are so emotionally attached,’ he said. ‘You are willing to lose the money, but not the connection.’

The Financial Conduct Authority (FCA) said banks should play a stronger role in disrupting romance scams, calling for improved detection systems and better staff training to identify vulnerable customers. It urged firms to adopt what it called ‘compassionate aftercare’ for those affected.

Romance fraud typically involves criminals creating fake online profiles to build emotional connections before manipulating victims into transferring money.

The National Cyber Security Centre (NCSC) and UK police recommend maintaining privacy on social media, avoiding financial transfers to online contacts, and speaking openly with friends or family before sending money.

The Metropolitan Police recently launched an awareness campaign featuring victim testimonies and guidance on spotting red flags. The initiative also promotes collaboration with dating apps, banks, and social platforms to identify fraud networks.

Detective Superintendent Kerry Wood, head of economic crime for the Met Police, said that romance scams remain ‘one of the most devastating’ forms of fraud. ‘It’s an abuse of trust which undermines people’s confidence and sense of self-worth. Awareness is the most powerful defence against fraud,’ she said.

Although Yadav never recovered his savings, he said sharing his story helped him rebuild his life. He urged others facing similar scams to speak up: ‘Do not isolate yourself. There is hope.’

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AWS glitch triggers widespread outages across major apps

A major internet outage hit some of the world’s biggest apps and sites from about 9 a.m. CET Monday, with issues traced to Amazon Web Services. Tracking sites reported widespread failures across the US and beyond, disrupting consumer and enterprise services.

AWS cited ‘significant error rates’ in DynamoDB requests in the U S-EAST-1 region, impacting additional services in Northern Virginia. Engineers are mitigating while investigating root cause, and some customers couldn’t create or update Support Cases.

Outages clustered around Virginia’s dense data-centre corridor but rippled globally. Impacted brands included Amazon, Google, Snapchat, Roblox, Fortnite, Canva, Coinbase, Slack, Signal, Vodafone and the UK tax authority HMRC.

Coinbase told users ‘all funds are safe’ as platforms struggled to authenticate, fetch data and serve content tied to affected back-ends. Third-party monitors noted elevated failure rates across APIs and app logins.

The incident underscores heavy reliance on hyperscale infrastructure and the blast radius when core data services falter. Full restoration and a formal post-mortem are pending from AWS.

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Data Act now in force, more data sharing in EU

The EU’s Data Act is now in force, marking a major shift in European data governance. The regulation aims to expand access to industrial and Internet of Things data, giving users greater control over information they generate while maintaining safeguards for trade secrets and privacy.

Adopted as part of the EU’s Digital Strategy, the act seeks to promote fair competition, innovation, and public-sector efficiency. It enables individuals and businesses to share co-generated data from connected devices and allows public authorities limited access in emergencies or matters of public interest.

Some obligations take effect later. Requirements on product design for data access will apply to new connected devices from September 2026, while certain contract rules are deferred until 2027. Member states will set national penalties, with fines in some cases reaching up to 10% of global annual turnover.

The European Commission will assess the law’s impact within three years of its entry into force. Policymakers hope the act will foster a fairer, more competitive data economy, though much will depend on consistent enforcement and how businesses adapt their practices.

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Public consultation: EU clarifies how DMA and GDPR work together

The European Commission and European Data Protection Board have jointly published long-awaited guidelines clarifying how the Digital Markets Act aligns with the GDPR. It aims to remove uncertainty for large online platforms over consent requirements, data sharing amongst other things.

Under the new interpretation, gatekeepers must obtain specific and separate consent when combining user data across different services, including when using it for AI training. They cannot rely on legitimate interest or contractual necessity for such processing, closing a loophole long debated in EU privacy law.

The Guidelines also set limits on how often consent can be re-requested, prohibiting repeated or slightly altered requests for the same purpose within a year. In addition, they make clear that offering users a binary choice between accepting tracking or paying a fee will rarely qualify as freely given consent.

The Guidance also introduces a practical standard for anonymisation, requiring platforms to prevent re-identification using technical and organisational safeguards. Consultation on the Guidelines runs until 4 December 2025, after which they are expected to shape future enforcement.

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