Cybersecurity

Google urges caution as Gmail AI tools face new threats

Google has issued a warning about a new wave of cyber threats targeting Gmail users, driven by vulnerabilities in AI-powered features.

Researchers at 0din, Mozilla’s zero-day investigation group, demonstrated how attackers can exploit Google Gemini’s summarisation tools using prompt injection attacks.

In one case, a malicious email included hidden prompts using white-on-white font, which the user cannot see but Gemini processes. When the user clicks ‘summarise this email,’ Gemini follows the attacker’s instructions and adds a phishing warning that appears to come from Google.

The technique, known as an indirect prompt injection, embeds malicious commands within invisible HTML tags like <span> and <div>. Although Google has released mitigations since similar attacks surfaced in 2024, the method remains viable and continues to pose risks.

0din warns that Gemini email summaries should not be considered trusted sources of security information and urges stronger user training. They advise security teams to isolate emails containing zero-width or hidden white-text elements to prevent unintended AI execution.

According to 0din, prompt injections are the new equivalent of email macros—easy to overlook and dangerously effective in execution. Until large language models offer better context isolation, any third-party text the AI sees is essentially treated as executable code.

Even routine AI tools could be hijacked for phishing or more advanced cyberattacks without the userćs awareness. Google notes that as AI adoption grows across sectors, these subtle threats require urgent industry-wide countermeasures and updated user protections.

Users are advised to delete any email that displays unexpected security warnings in its AI summary, as these may be weaponised.

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AI fake news surge tests EU Digital Services Act

Europe is facing a growing wave of AI-powered fake news and coordinated bot attacks that overwhelm media, fact-checkers, and online platforms instead of relying on older propaganda methods.

According to the European Policy Centre, networks using advanced AI now spread deepfakes, hoaxes, and fake articles faster than they can be debunked, raising concerns over whether EU rules are keeping up.

Since late 2024, the so-called ‘Overload’ operation has doubled its activity, sending an average of 2.6 fabricated proposals each day while also deploying thousands of bot accounts and fake videos.

These efforts aim to disrupt public debate through election intimidation, discrediting individuals, and creating panic instead of open discussion. Experts warn that without stricter enforcement, the EU’s Digital Services Act risks becoming ineffective.

To address the problem, analysts suggest that Europe must invest in real-time threat sharing between platforms, scalable AI detection systems, and narrative literacy campaigns to help citizens recognise manipulative content instead of depending only on fact-checkers.

Publicly naming and penalising non-compliant platforms would give the Digital Services Act more weight.

The European Parliament has already acknowledged widespread foreign-backed disinformation and cyberattacks targeting EU countries. Analysts say stronger action is required to protect the information space from systematic manipulation instead of allowing hostile narratives to spread unchecked.

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xAI issues apology over Grok’s offensive posts

Elon Musk’s AI startup xAI has apologised after its chatbot Grok published offensive posts and made anti-Semitic claims. The company said the incident followed a software update designed to make Grok respond more like a human instead of relying strictly on neutral language.

After the Tuesday update, Grok posted content on X suggesting people with Jewish surnames were more likely to spread online hate, triggering public backlash. The posts remained live for several hours before X removed them, fuelling further criticism.

xAI acknowledged the problem on Saturday, stating it had adjusted Grok’s system to prevent similar incidents.

The company explained that programming the chatbot to ‘tell like it is’ and ‘not be afraid to offend’ made it vulnerable to users steering it towards extremist content instead of maintaining ethical boundaries.

Grok has faced controversy since its 2023 launch as an ‘edgy’ chatbot. In March, xAI acquired X to integrate its data resources, and in May, Grok was criticised again for spreading unverified right-wing claims. Musk introduced Grok 4 last Wednesday, unrelated to the problematic update on 7 July.

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Azerbaijan government workers hit by cyberattacks

In the first six months of the year, 95 employees from seven government bodies in Azerbaijan fell victim to cyberattacks after neglecting basic cybersecurity measures and failing to follow established protocols. The incidents highlight growing risks from poor cyber hygiene across public institutions.

According to the State Service of Special Communication and Information Security (XRİTDX), more than 6,200 users across the country were affected by various cyberattacks during the same period, not limited to government staff.

XRİTDX is now intensifying audits and monitoring activities to strengthen information security and safeguard state organisations against both existing and evolving cyber threats instead of leaving vulnerabilities unchecked.

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Google Gemini flaw lets hackers trick email summaries

Security researchers have identified a serious flaw in Google Gemini for Workspace that allows cybercriminals to hide malicious commands inside email content.

The attack involves embedding hidden HTML and CSS instructions, which Gemini processes when summarising emails instead of showing the genuine content.

Attackers use invisible text styling such as white-on-white fonts or zero font size to embed fake warnings that appear to originate from Google.

When users click Gemini’s ‘Summarise this email’ feature, these hidden instructions trigger deceptive alerts urging users to call fake numbers or visit phishing sites, potentially stealing sensitive information.

Unlike traditional scams, there is no need for links, attachments, or scripts—only crafted HTML within the email body. The vulnerability extends beyond Gmail, affecting Docs, Slides, and Drive, raising fears of AI-powered phishing beacons and self-replicating ‘AI worms’ across Google Workspace services.

Experts advise businesses to implement inbound HTML checks, LLM firewalls, and user training to treat AI summaries as informational only. Google is urged to sanitise incoming HTML, improve context attribution, and add visibility for hidden prompts processed by Gemini.

Security teams are reminded that AI tools now form part of the attack surface and must be monitored accordingly.

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AI could save billions but healthcare adoption is slow

AI is being hailed as a transformative force in healthcare, with the potential to reduce costs and improve outcomes dramatically. Estimates suggest widespread AI integration could save up to 360 billion dollars annually by accelerating diagnosis and reducing inefficiencies across the system.

Although tools like AI scribes, triage assistants, and scheduling systems are gaining ground, clinical adoption remains slow. Only a small percentage of doctors, roughly 12%, currently rely on AI for diagnostic decisions. This cautious rollout reflects deeper concerns about the risks associated with medical AI.

Challenges include algorithmic drift when systems are exposed to real-world conditions, persistent racial and ethnic biases in training data, and the opaque ‘black box’ nature of many AI models. Privacy issues also loom, as healthcare data remains among the most sensitive and tightly regulated.

Experts argue that meaningful AI adoption in clinical care must be incremental. It requires rigorous validation, clinician training, transparent algorithms, and clear regulatory guidance. While the potential to save lives and money is significant, the transformation will be slow and deliberate, not overnight.

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Italian defence firms hit by suspected Indian state-backed hackers

An advanced persistent threat (APT) group with suspected ties to India has been accused of targeting Italian defence companies in a cyber-espionage campaign.

Security researchers found that the hackers used phishing emails and malicious documents to infiltrate networks, stealing sensitive data.

The attacks, believed to be state-sponsored, align with growing concerns about nation state cyber operations targeting critical industries.

The campaign, dubbed ‘Operation Tainted Love,’ involved sophisticated malware designed to evade detection while exfiltrating confidential documents.

Analysts suggest the group’s motives may include gathering intelligence on military technology and geopolitical strategies. Italy has not yet issued an official response, but the breach underscores the escalating risks to national security posed by cyber-espionage.

This incident follows a broader trend of state-backed hacking groups increasingly focusing on the defence and aerospace sectors.

Cybersecurity experts urge organisations to strengthen defences, particularly against phishing and supply chain attacks. As geopolitical tensions influence cyberwarfare, such operations highlight the need for international cooperation in combating digital threats.

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Enhancing email security through multi-factor authentication

Many users overlook one critical security setting that can stop hackers in their tracks: multi-factor authentication (MFA). Passwords alone are no longer enough. Easy-to-remember passwords are insecure, and strong passwords are rarely memorable or widely reused.

Brute-force attacks and credential leaks are common, especially since many users repeat passwords across different platforms. MFA solves this by requiring a second verification form, usually from your phone or an authenticator app, to confirm your identity.

The extra step can block attackers, even if they have your password, because they still need access to your second device. Two-factor authentication (2FA) is the most common form of MFA. It combines something you know (your password) with something you have.

Many email providers, including Gmail, Outlook, and Proton Mail, now offer built-in 2FA options under account security settings. On Gmail, visit your Google Account, select Security, and enable 2-Step Verification. Use Google Authenticator instead of SMS for better safety.

Outlook.com users can turn on 2FA through their Microsoft account’s Security settings, using an authenticator app for code generation. Proton Mail allows you to scan a QR code with Google Authenticator after enabling 2FA under Account and Password settings.

Authenticator apps are preferred over SMS, as they are vulnerable to SIM-swapping and phishing-based interception. Adding MFA is a fast, simple way to strengthen your email security and avoid becoming a victim of password-related breaches.

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CISA 2015 expiry threatens private sector threat sharing

Congress has under 90 days to renew the Cybersecurity Information Sharing Act (CISA) of 2015 and avoid a regulatory setback. The law protects companies from liability when they share cyber threat indicators with the government or other firms, fostering collaboration.

Before CISA, companies hesitated due to antitrust and data privacy concerns. CISA removed ambiguity by offering explicit legal protections. Without reauthorisation, fear of lawsuits could silence private sector warnings, slowing responses to significant cyber incidents across critical infrastructure sectors.

Debates over reauthorisation include possible expansions of CISA’s scope. However, many lawmakers and industry groups in the United States now support a simple renewal. Health care, finance, and energy groups say the law is crucial for collective defence and rapid cyber threat mitigation.

Security experts warn that a lapse would reverse years of progress in information sharing, leaving networks more vulnerable to large-scale attacks. With only 35 working days left for Congress before the 30 September deadline, the pressure to act is mounting.

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Meta under pressure after small business loses thousands

A New Orleans bar owner lost $10,000 after cyber criminals hijacked her Facebook business account, highlighting the growing threat of online scams targeting small businesses. Despite efforts to recover the account, the company was locked out for weeks, disrupting sales.

The US-based scam involved a fake Meta support message that tricked the owner into giving hackers access to her page. Once inside, the attackers began running ads and draining funds from the business account linked to the platform.

Cyber fraud like this is increasingly common as small businesses rely more on social media to reach their customers. The incident has renewed calls for tech giants like Meta to implement stronger user protections and improve support for scam victims.

Meta says it has systems to detect and remove fraudulent activity, but did not respond directly to this case. Experts argue that current protections are insufficient, especially for small firms with fewer resources and little recourse after attacks.

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