diff --git a/journey/troubleshooting/250716_neo4j_docker_connection_issues.md b/journey/troubleshooting/250716_neo4j_docker_connection_issues.md
index a91ff03..2f5b7c9 100644
--- a/journey/troubleshooting/250716_neo4j_docker_connection_issues.md
+++ b/journey/troubleshooting/250716_neo4j_docker_connection_issues.md
@@ -105,10 +105,10 @@ services:
 cypher-shell -u neo4j -p neo4j
 
 # 프롬프트에서 실행
-ALTER CURRENT USER SET PASSWORD FROM 'neo4j' TO 'robeing2025!';
+ALTER CURRENT USER SET PASSWORD FROM 'neo4j' TO '<비밀번호>';
 
 # .env 파일에 추가
-echo "NEO4J_PASSWORD=robeing2025!" >> /home/admin/rb10508_test/.env
+echo "NEO4J_PASSWORD=<비밀번호>" >> /home/admin/rb10508_test/.env
 
 # 컨테이너 재시작
 cd /home/admin/rb10508_test
@@ -123,7 +123,7 @@ docker-compose up -d
 environment:
   - NEO4J_URI=bolt://127.0.0.1:7687
   - NEO4J_USER=neo4j
-  - NEO4J_PASSWORD=${NEO4J_PASSWORD:-robeing2025!}
+  - NEO4J_PASSWORD=${NEO4J_PASSWORD}
 ```
 
 ## 최종 해결책
@@ -150,7 +150,7 @@ services:
       - PORT=10508
       - NEO4J_URI=bolt://127.0.0.1:7687
       - NEO4J_USER=neo4j
-      - NEO4J_PASSWORD=${NEO4J_PASSWORD:-robeing2025!}
+      - NEO4J_PASSWORD=${NEO4J_PASSWORD}
 ```
 
 ## 검증 결과
diff --git a/journey/troubleshooting/250716_rb8001_postgresql_connection.md b/journey/troubleshooting/250716_rb8001_postgresql_connection.md
index 2ea70d4..04edaed 100644
--- a/journey/troubleshooting/250716_rb8001_postgresql_connection.md
+++ b/journey/troubleshooting/250716_rb8001_postgresql_connection.md
@@ -62,7 +62,7 @@ services:
 #### PostgreSQL 사용자 생성
 ```bash
 sudo -u postgres psql
-CREATE USER robeings WITH PASSWORD 'robeing2025!';
+CREATE USER robeings WITH PASSWORD '<비밀번호>';
 GRANT ALL PRIVILEGES ON DATABASE rb8001_db TO robeings;
 GRANT ALL PRIVILEGES ON DATABASE rb10508_micro_db TO robeings;
 \q
@@ -74,7 +74,7 @@ GRANT ALL PRIVILEGES ON DATABASE rb10508_micro_db TO robeings;
 DATABASE_URL=postgresql://user:password@localhost/ivada_db
 
 # 수정
-DATABASE_URL=postgresql://robeings:robeing2025!@localhost/rb8001_db
+DATABASE_URL=postgresql://robeings:<비밀번호>@localhost/rb8001_db
 ```
 
 ### 3. 불필요한 파일 정리
diff --git a/journey/troubleshooting/250826_happybell80_rb8001_이중저장구현.md b/journey/troubleshooting/250826_happybell80_rb8001_이중저장구현.md
index 5cac830..b6eb14d 100644
--- a/journey/troubleshooting/250826_happybell80_rb8001_이중저장구현.md
+++ b/journey/troubleshooting/250826_happybell80_rb8001_이중저장구현.md
@@ -61,8 +61,8 @@ PGPASSWORD=robeings psql -h 192.168.219.45 -U robeings -d main_db -c "\dt"
 ### 1. DATABASE_URL 수정
 ```diff
 # rb8001/.env
-- DATABASE_URL=postgresql://robeings:robeing2025!@localhost/rb8001_db
-+ DATABASE_URL=postgresql://robeings:robeings@192.168.219.45:5432/main_db
+- DATABASE_URL=postgresql://robeings:<비밀번호>@localhost/rb8001_db
++ DATABASE_URL=postgresql://robeings:<비밀번호>@192.168.219.45:5432/main_db
 ```
 
 ### 2. 직접 DB 저장 구현
diff --git a/journey/troubleshooting/251016_neo4j_startup_data_migration.md b/journey/troubleshooting/251016_neo4j_startup_data_migration.md
index 0d0c3c9..399fda1 100644
--- a/journey/troubleshooting/251016_neo4j_startup_data_migration.md
+++ b/journey/troubleshooting/251016_neo4j_startup_data_migration.md
@@ -73,7 +73,7 @@
 from neo4j import GraphDatabase
 NEO4J_URI = "bolt://localhost:7687"
 NEO4J_USER = "neo4j"
-NEO4J_PASSWORD = "robeing2025!"
+NEO4J_PASSWORD = os.getenv("NEO4J_PASSWORD")  # 환경변수에서 읽기
 ```
 
 ### 제약 조건
@@ -184,7 +184,7 @@ MERGE (n)-[:MENTIONS]->(s)
 ```bash
 NEO4J_URI=bolt://localhost:7687
 NEO4J_USER=neo4j
-NEO4J_PASSWORD=robeing2025!
+NEO4J_PASSWORD=<비밀번호>
 ```
 
 ### 2. `/mnt/hdd/data/DATA/load_to_neo4j.py`
@@ -214,7 +214,7 @@ Neo.ClientError.Security.Unauthorized
 **해결**: DOCS에서 비밀번호 검색
 ```bash
 grep -r "neo4j" /home/admin/DOCS/
-# robeing2025! 발견
+# 비밀번호 확인 후 .env에 설정
 ```
 
 ---