Stocks

Binance hack safety tips: two checks before clicking or downloading

After Binance reported a $6.3 billion hack, researchers point to search-result scrutiny and independent checks as ways to reduce online risk.

Maya Okafor

By Maya Okafor · Markets Writer

· 3 min read

Binance hack safety tips: two checks before clicking or downloading
Photo: CNBC

Binance hack safety tips start with a limit: no personal habit can protect an exchange’s internal systems. But the reported $6.3 billion theft shows how a malicious download or a convincing fake identity can become part of a wider attack, and two checks can help reduce an individual’s exposure to similar traps.

Reuters reported on Oct. 30 that Binance said it would cover losses from company funds after the breach and had located about $3 billion in affected assets while working with industry partners to freeze funds. Binance co-CEO Richard Teng described a complex attack involving a compromised laptop and malicious software, Reuters reported. Teng also said attackers manipulated a transaction-approval system for a Binance-controlled hot wallet, an internet-connected wallet used to process crypto transfers.

The precise sequence of events remained under investigation. Blockchain analytics firms attributed the attack to North Korea, Reuters reported, while TRM Labs said it attributed the activity to the North Korea-linked TraderTraitor group with high confidence. Those are analyst assessments, not a confirmed official finding.

What are the two Binance hack safety tips?

In a CNBC educational essay, Digital Inquiry Group leaders Nadav Ziv and Joel Breakstone recommended two research habits: “click restraint” and “lateral reading.” They are risk-reduction practices, not guarantees against a sophisticated intrusion.

  • Pause before opening a search result. Click restraint means resisting the assumption that the first result is the best or safest one. Read the result label and the short description beneath it. Be especially careful with sponsored results, links from the organization being assessed, and open platforms where posts are not verified, the authors wrote.
  • Check unfamiliar people and companies elsewhere. Lateral reading means opening new tabs and looking for credible, independent reporting or other authoritative information about a recruiter, company, software provider or claim. If a company contacting you has no credible external footprint, the authors said, that is a warning sign.

The CNBC essay said an engineer initially downloaded compromised software after clicking a sponsored search result, citing Reuters reporting. It also said another engineer later downloaded compromised code during what appeared to be a job interview with a fake company. According to the essay, Binance said a purported HR representative used a social-media account containing personal photos and videos to build trust.

For an investor or job seeker, the practical moment to stop is before a download, sign-in, file-sharing request or interview-related task. Check whether a search link is sponsored, read the snippet rather than relying on its rank, and seek credible outside confirmation before proceeding. Convincing profiles and polished content can be part of an impersonation attempt.

Government guidance separately underscores the threat from malicious advertising. The Cybersecurity and Infrastructure Security Agency says “malvertising,” or malicious or hijacked online ads, can redirect people to malicious or phishing sites or load harmful software. Its browser guidance is directed at federal agencies, but it reinforces the basic point that an ad placement does not establish a link’s safety.

These steps cannot explain the whole Binance incident or secure an exchange’s hot-wallet infrastructure. They can, however, add a deliberate check before a stranger, a search ad or unfamiliar software asks for action.

This story draws on original reporting from CNBC.

More from Stocks

All Stocks