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In January, crypto users suffered significant losses due to address poisoning and signature phishing scams, with one victim losing $12.2 million. Increased attack volume may be linked to lower transaction costs after Ethereum's upgrade, prompting security warnings for users' vigilance.
In brief
Signature phishing victims jumped more than 200% in January, with $6.27 million stolen, blockchain security firm Scam Sniffer warned.
Despite the spike, total phishing losses in 2025 were sharply lower than in 2024.
Cheaper Ethereum fees after the Fusaka upgrade have made phishin
Address poisoning scams erased $62 million after users copied wallet addresses without full verification during routine transfers.
Lower Ethereum fees enabled mass dust attacks making address poisoning cheap, scalable and harder to detect across the network.
Signature phishing surged in
The article discusses an incident where a hacker, known as Infini, returns after a previous exploit and takes advantage of a dip in Ether prices to purchase $13 million worth of the cryptocurrency.
French authorities arrested six suspects after a magistrate and her mother were kidnapped and held in a garage, with captors demanding a cryptocurrency ransom. The incident is part of a alarming 75% surge in violent "crypto wrench attacks" in 2025, with over \$41 million lost and France emerging as a global hotspot. This trend underscores the critical and growing physical security risks associated with digital asset ownership as adoption increases.
January 2026 saw a shocking 207% surge in crypto phishing losses to $6.3M, as attackers pivot to target high-value wallets. Learn about the "whale hunting" strategy, devastating "address poisoning" scams, and essential steps to protect your assets in this new threat landscape.
Editor’s note: Kaspersky has published a new threat review detailing how phishing campaigns are evolving, with attackers reviving older tactics and combining them with newer techniques to bypass modern defenses. The analysis highlights calendar-based phishing in corporate environments, voice
In brief
Three UK teenagers have been jailed after carrying out a "wrench attack" robbery in which $4.3 million in crypto was stolen.
Metropolitan Police said the suspects forced a victim to hand over crypto and car keys in a Hoxton burglary.
The stolen cryptocurrency was recovered
Editor’s note: Kaspersky has published a new threat review detailing how phishing campaigns are evolving, with attackers reviving older tactics and combining them with newer techniques to bypass modern defenses. The analysis highlights calendar-based phishing in corporate environments, voice
_Arbitrum DAO warns users after its official X account is hacked, emphasizing that protocol funds remain safe and secure._
Arbitrum DAO has confirmed that its official X account has been compromised, prompting a security alert for all users. Consequently, the team warned users not to click on an
The crypto ecosystem is facing a brutal new reality. According to a landmark report from blockchain security firm CertiK, so-called "wrench attacks"—physical assaults and kidnappings targeting cryptocurrency holders—surged by 75% in 2025, resulting in over \$40 million in confirmed losses.
With 72 verified incidents globally, this violent trend marks a fundamental shift, positioning physical safety as a core risk alongside digital threats. Europe has emerged as a primary hotspot, account