https://atmarkit.itmedia.co.jp/ait/articles/2604/23/news053.html ＠IT ja OpEd, Opinion 2026-04-23T08:00:00+09:00 「4年連続ランサムウェア被害アジア最多」　日本を取り巻く「三重脅威」の正体 IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/23/l_news053_01.png https://atmarkit.itmedia.co.jp/ait/articles/2604/23/news040.html ＠IT ja OpEd, Opinion 2026-04-23T07:30:00+09:00 Geminiを使って利用料が数百万円？　高額請求を防ぐには IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/23/top_news040.jpg https://atmarkit.itmedia.co.jp/ait/articles/2604/23/news038.html ＠IT ja OpEd, Opinion 2026-04-23T07:00:00+09:00 MCPに深刻な脆弱性　関連ソフトウェアのダウンロード数は1億5000万件超え IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/23/top_news038.png https://atmarkit.itmedia.co.jp/ait/articles/2604/21/news004.html ＠IT ja OpEd, Opinion 2026-04-23T05:00:00+09:00 アラート地獄は終わるのか？　AIエージェント時代のセキュリティ新展望 IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/21/kt2487_Zuuo01.jpg https://atmarkit.itmedia.co.jp/ait/articles/2604/23/news011.html ＠IT ja OpEd, Opinion 2026-04-23T05:00:00+09:00 Claude Opus 4.7は“最強で最恐”？　圧倒的な性能なのに使いたくないわけ IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/23/l_di-opus47-benchmark.png https://atmarkit.itmedia.co.jp/ait/articles/2604/09/news003.html ＠IT ja OpEd, Opinion 2026-04-23T05:00:00+09:00 AIに聞きながらJavaのモダンな関数型プログラミングを理解する――ラムダ式とStream API IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/09/l_tyamauchi_20260409java_ai13_zu01.png https://atmarkit.itmedia.co.jp/ait/articles/2604/22/news140.html ＠IT ja OpEd, Opinion 2026-04-22T21:00:00+09:00 激化するAIエージェント基盤争い　Googleは推論用TPUや新たな「Google Enterprise」で攻める IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/22/l_goognext2601.png https://atmarkit.itmedia.co.jp/ait/articles/2604/22/news046.html ＠IT ja OpEd, Opinion 2026-04-22T11:15:00+09:00 4000円のクレカ、2万円のゲームアカウント　ダークWebで値付けされる“個人の価値” IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/22/top_news046.jpg https://atmarkit.itmedia.co.jp/ait/articles/2604/22/news045.html ＠IT ja OpEd, Opinion 2026-04-22T11:15:00+09:00 「侵入4分後にデータが消える」　AI悪用で“攻撃が速過ぎる”今、セキュリティチームが勝つには IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/22/top_news045.jpg https://atmarkit.itmedia.co.jp/ait/articles/2604/22/news044.html ＠IT ja OpEd, Opinion 2026-04-22T11:15:00+09:00 AIコーディングツールに約7割が不満　「意図通りに出ない」「精度も低い」 IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/22/l_tt57375_Image1.jpg https://atmarkit.itmedia.co.jp/ait/articles/2604/22/news049.html ＠IT ja OpEd, Opinion 2026-04-22T11:15:00+09:00 約6割が根本原因特定に苦慮　AI時代も「Linux」の理解が問われる理由 IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/22/l_ait_260422_lpi_japan1.png https://atmarkit.itmedia.co.jp/ait/articles/2604/22/news048.html ＠IT ja OpEd, Opinion 2026-04-22T11:15:00+09:00 「Amazon S3がこれほどメジャーになる」なんて――20年前、AWS自身でさえ想像できなかった？ IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/22/l_ait_amazon-s301.png https://atmarkit.itmedia.co.jp/ait/articles/2604/22/news027.html ＠IT ja OpEd, Opinion 2026-04-22T07:00:00+09:00 事業停滞54日・被害額6億円超　ランサムウェアがもたらす「経営の致命傷」 IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/22/kt2487_Someya.jpg https://atmarkit.itmedia.co.jp/ait/articles/2604/22/news019.html ＠IT ja OpEd, Opinion 2026-04-22T05:00:00+09:00 普通の企業で「コーディングエージェント」を定着させるための3ステップ　OpenAI Japan瀬良氏が説明 IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/22/l_ait_260422_openai_japan_codex.jpg https://atmarkit.itmedia.co.jp/ait/articles/2604/22/news015.html ＠IT ja OpEd, Opinion 2026-04-22T05:00:00+09:00 【Google推奨】Geminiから満足のいく回答を引き出すための「構造化プロンプト」実践ガイド IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/22/l_wi-geminirsfc01.png https://atmarkit.itmedia.co.jp/ait/articles/2604/21/news056.html ＠IT ja OpEd, Opinion 2026-04-21T13:00:00+09:00 「IaCコードを書くのはもう古い」　インフラエンジニアの仕事を変える「AI駆動インフラ」の具体像 IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/21/l_news056_01.png https://atmarkit.itmedia.co.jp/ait/articles/2604/21/news047.html ＠IT ja OpEd, Opinion 2026-04-21T13:00:00+09:00 バイブコーディングが“脆弱性の温床”に？　APIへの攻撃が113％増――AI時代の攻撃実態 IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/21/top_news047.jpg https://atmarkit.itmedia.co.jp/ait/articles/2604/21/news054.html ＠IT ja OpEd, Opinion 2026-04-21T13:00:00+09:00 従業員家族もマルウェア感染の入り口に　約5億件の分析で判明、情シスが促すべき3つの対策 IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/21/top_news054.jpg https://atmarkit.itmedia.co.jp/ait/articles/2604/21/news058.html ＠IT ja OpEd, Opinion 2026-04-21T13:00:00+09:00 RPG技術者不足で「AS/400レガシーに触れない」――生成AIで解決できるか、その検証結果 IT,Technology,information technology,news,Computing,Internet,engineer,windows,server,storage,xml,coding,java,database,linux,network,xml,security,design https://image.itmedia.co.jp/ait/articles/2604/21/top_news058.jpg