Stay updated on South Korea's information security landscape with the latest news, trends, and cyber threat analyses. Visit for expert insights.
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Background for this topic.
South Korea is a nation that has significantly invested in technological development and digital infrastructure, making it one of the most connected and technologically advanced countries in the world. In the context of information security, the term encompasses the strategies, regulations, challenges, and events related to the protection of South Korea's cyber infrastructure, digital assets, and information resources.
The country faces unique cyber threats and security issues, which include cyber espionage, data breaches, cyberwarfare, and attacks on critical infrastructure. South Korea's approach to information security involves a combination of government-led initiatives, collaboration with global entities, and advanced research in cybersecurity technologies. It is an important topic of study for security professionals who monitor evolving threats and the implications of rapid technological developments.
Weekly headline count for the current query.
The North Korean state-sponsored threat actor known as Kimsuky (aka Velvet Chollima) has been attributed to a fresh set of cyber attacks targeting South Korean military and corporate entities through March and April 2026
South Korea's local elections next month will be a test bed for how effective regulations might be to stymie the flow of deepfakes.
The Iran-linked hacking group MuddyWater (a.k.a. Seedworm, Static Kitten) launched a broad cyber-espionage campaign targeting at least nine high-profile organizations across multiple sectors and countries. [...]
Cybersecurity researchers have discovered a new variant of a known malware called LOTUSLITE that's distributed via a theme related to India's banking sector
Also: ZachXBT Uncovers DPRK Worker Scam, Hyperbridge Hack, Coinone FineThis week, Operation Atlantic disrupts $45M phishing fraud, ZachXBT uncovers DPRK crypto worker scheme, Hyperbridge exploit, South Korea fines Coinone $3.5M, Kraken faces extortion attempt over insider data leak and American musician loses $420K in fake Ledger app.
Threat actors likely associated with the Democratic People's Republic of Korea (DPRK) have been observed using GitHub as command-and-control (C2) infrastructure in multi-stage attacks targeting organizations in South Korea
A Shipping Crisis in the Middle East Is Now a Chip Crisis Everywhere ElseThe Strait of Hormuz crisis is amplifying a supply crunch in the specialist memory chips that power AI, and analysts say the industry's concentration in South Korea makes the timing particularly uncomfortable.
North Korean threat actors have been observed sending phishing to compromise targets and obtain access to a victim's KakaoTalk desktop application to distribute malicious payloads to certain contacts
Also: US' Multi-Million Dollar Scam Funds SeizureIran exchange leak raises sanctions risks, $580M frozen in scam crackdown, $61M romance scam funds seized, feds seek $327K in dating scam case, Russia exploit broker sanctioned, South Korean wallet recovery phrase exposure and arrest in custody bitcoin theft, Axiom data misuse and Uniswap lawsuit ends.
Went from triumph at having busted tax dodgers to embarrassment at losing the proceeds South Korea’s National Tax Service has apologized after it leaked passwords to a stash of stolen crypto, which parties unknown used to make off with the digi-cash.…
South Korea's National Tax Service accidentally exposed the mnemonic recovery phrase of a seized cryptocurrency wallet in an official press release, allowing hackers to steal 6.4 billion won ($4.8M) worth in cryptocurrency. [...]
Also: IoTex Bridge Exploit Linked to Private Key BreachThis week, Step Finance shuts down, IoTeX bridge exploit, Russia-linked exchanges help evade sanctions, Australian charged in $3.5 million scam, a hacker returned $21 million in seized bitcoin to South Korean prosecutors and Malaysia arrested 12 police officers in an extortion case.
Public prosecutor mulls sentencing following investigations into two separate attacks Two South Korean teenagers were this week charged with breaching Seoul's public bike service, Ttareungyi.…
Also: Coinbase's Agentic AI Wallets, $1M Fraud IndictmentThis week, Paxful's $4M AML penalty, Coinbase's agentic AI wallets, a $1M fraud indictment, a 20-year $200M Ponzi sentence, laundering from the $200M Mixin hack, a Binance France home invasion attempt, insider betting charges in Israel and lost seized bitcoin in South Korea.
South Korea has fined luxury fashion brands Louis Vuitton, Christian Dior Couture, and Tiffany $25 million for failing to implement adequate security measures, which facilitated unauthorized access and the exposure of data belonging to more than 5.5 million customers. [...]
Also, South Korea gets a pentesting F, US Treasury says bye bye to BAH, North Korean hackers evolve, and more Infosec in Brief As if AI weren't enough of a security concern, now researchers have discovered that open-source AI deployments may be an even bigger problem than those from commercial providers. …
Also: CZ on Trump Pardon, Arrest in Crypto-Linked Drug CaseThis week, South Korean prosecutors probed missing seized bitcoin. CZ said a Trump pardon eased his conviction burden. A former Olympian arrested in a crypto-linked drug case. The U.S. SEC dropped litigation against Gemini Earn. Major hacks and a $37 million laundering prison sentence.
Web-Based Client on Local Host Didn't Sanitize InputsVideo camera surveillance management software made by South Korean manufacturer Idis is susceptible to a one-click attack giving hackers the power to execute arbitrary code. The vulnerability allows an attacker to escalate beyond the browser sandbox and achieve code execution on the host.
The North Korean threat actor known as Konni has been observed using PowerShell malware generated using artificial intelligence (AI) tools to target developers and engineering teams in the blockchain sector
Also: $7M Saga and $5M Makina Finance ExploitsThis week, South Korea dismantled a $102 million money laundering ring, Saga paused SagaEVM after a $7 million exploit, Makina Finance lost $5 million, a Utah man sentenced to three years for fraud and illegal cash conversion and a software flaw let traders win ethereum transaction auctions for free.